diff --git a/.travis.yml b/.travis.yml
index 10a17a994..686ee606d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.travisCI/runPrecheck.sh b/.travisCI/runPrecheck.sh
index 3d3f0e3be..7f6c4067a 100644
--- a/.travisCI/runPrecheck.sh
+++ b/.travisCI/runPrecheck.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.travisCI/travisBuild.sh b/.travisCI/travisBuild.sh
index 2c5d3e1f2..28812efeb 100644
--- a/.travisCI/travisBuild.sh
+++ b/.travisCI/travisBuild.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/gds/gds2mag-all.sh b/gds/gds2mag-all.sh
index 2f816a193..b9ca6f29a 100755
--- a/gds/gds2mag-all.sh
+++ b/gds/gds2mag-all.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/gds/gen_caravel.tcl b/gds/gen_caravel.tcl
index 322a304ad..b32891a9b 100644
--- a/gds/gen_caravel.tcl
+++ b/gds/gen_caravel.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/mag/bump_bond.tcl b/mag/bump_bond.tcl
index 97c1643ef..5ef4749cc 100644
--- a/mag/bump_bond.tcl
+++ b/mag/bump_bond.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mag/mag2maglef-all.sh b/mag/mag2maglef-all.sh
index a33bc1f99..8ba9392ca 100755
--- a/mag/mag2maglef-all.sh
+++ b/mag/mag2maglef-all.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mag/run_lvs_por.sh b/mag/run_lvs_por.sh
index 2e5c5a74e..eb7a82781 100755
--- a/mag/run_lvs_por.sh
+++ b/mag/run_lvs_por.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/DFFRAM/config.tcl b/openlane/DFFRAM/config.tcl
index 2a4b17b70..4fd507eb5 100644
--- a/openlane/DFFRAM/config.tcl
+++ b/openlane/DFFRAM/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/DFFRAM/pdn.tcl b/openlane/DFFRAM/pdn.tcl
index b3feb7179..fcfb1139e 100644
--- a/openlane/DFFRAM/pdn.tcl
+++ b/openlane/DFFRAM/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/caravel/config.tcl b/openlane/caravel/config.tcl
index be674c6c9..96591603f 100755
--- a/openlane/caravel/config.tcl
+++ b/openlane/caravel/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/caravel/interactive.lvs.tcl b/openlane/caravel/interactive.lvs.tcl
index f009946ba..dc890e88f 100755
--- a/openlane/caravel/interactive.lvs.tcl
+++ b/openlane/caravel/interactive.lvs.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/caravel/interactive.tcl b/openlane/caravel/interactive.tcl
index 8584fde35..7b4889076 100755
--- a/openlane/caravel/interactive.tcl
+++ b/openlane/caravel/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/chip_io/config.tcl b/openlane/chip_io/config.tcl
index 62be896ed..a91eb71e2 100755
--- a/openlane/chip_io/config.tcl
+++ b/openlane/chip_io/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/chip_io/interactive.tcl b/openlane/chip_io/interactive.tcl
index 8dd4d9448..6d6ce6f07 100755
--- a/openlane/chip_io/interactive.tcl
+++ b/openlane/chip_io/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/digital_pll/config.tcl b/openlane/digital_pll/config.tcl
index dc69dbf55..52fd1929a 100644
--- a/openlane/digital_pll/config.tcl
+++ b/openlane/digital_pll/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/digital_pll/pdn.tcl b/openlane/digital_pll/pdn.tcl
index 595294e9c..b107e468e 100644
--- a/openlane/digital_pll/pdn.tcl
+++ b/openlane/digital_pll/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/gpio_control_block/config.tcl b/openlane/gpio_control_block/config.tcl
index 640bbf817..ffb9bdbba 100644
--- a/openlane/gpio_control_block/config.tcl
+++ b/openlane/gpio_control_block/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_core/config.tcl b/openlane/mgmt_core/config.tcl
index 72e615ec4..8931d387b 100644
--- a/openlane/mgmt_core/config.tcl
+++ b/openlane/mgmt_core/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_core/pdn.tcl b/openlane/mgmt_core/pdn.tcl
index 1430d5a7e..1fe689b10 100644
--- a/openlane/mgmt_core/pdn.tcl
+++ b/openlane/mgmt_core/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_protect/config.tcl b/openlane/mgmt_protect/config.tcl
index 714dd7f2a..c1ffd39ad 100755
--- a/openlane/mgmt_protect/config.tcl
+++ b/openlane/mgmt_protect/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_protect_hv/config.tcl b/openlane/mgmt_protect_hv/config.tcl
index 71eceb31d..700e2137a 100644
--- a/openlane/mgmt_protect_hv/config.tcl
+++ b/openlane/mgmt_protect_hv/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl b/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
index 2a6366066..ff94c1cf7 100644
--- a/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
+++ b/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/storage/config.tcl b/openlane/storage/config.tcl
index 59fb95154..7b3f58a95 100644
--- a/openlane/storage/config.tcl
+++ b/openlane/storage/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/storage/pdn.tcl b/openlane/storage/pdn.tcl
index ef4a029c5..cdf24795d 100644
--- a/openlane/storage/pdn.tcl
+++ b/openlane/storage/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_id_programming/config.tcl b/openlane/user_id_programming/config.tcl
index 9d870f98b..2e9526b2e 100755
--- a/openlane/user_id_programming/config.tcl
+++ b/openlane/user_id_programming/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index 52cc64f3e..f844bf7be 100644
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper/interactive.tcl b/openlane/user_project_wrapper/interactive.tcl
index 27ccd5907..078bf98ae 100644
--- a/openlane/user_project_wrapper/interactive.tcl
+++ b/openlane/user_project_wrapper/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper/pdn.tcl b/openlane/user_project_wrapper/pdn.tcl
index ad170df99..a3c8e6aa0 100644
--- a/openlane/user_project_wrapper/pdn.tcl
+++ b/openlane/user_project_wrapper/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/config.tcl b/openlane/user_project_wrapper_empty/config.tcl
index 9451860d0..faaee0285 100644
--- a/openlane/user_project_wrapper_empty/config.tcl
+++ b/openlane/user_project_wrapper_empty/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/gen_pdn.tcl b/openlane/user_project_wrapper_empty/gen_pdn.tcl
index eb793ad0a..fc5bc4267 100644
--- a/openlane/user_project_wrapper_empty/gen_pdn.tcl
+++ b/openlane/user_project_wrapper_empty/gen_pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/interactive.tcl b/openlane/user_project_wrapper_empty/interactive.tcl
index f5ee85eb1..8bd2ef60f 100644
--- a/openlane/user_project_wrapper_empty/interactive.tcl
+++ b/openlane/user_project_wrapper_empty/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/pdn.tcl b/openlane/user_project_wrapper_empty/pdn.tcl
index ad170df99..a3c8e6aa0 100644
--- a/openlane/user_project_wrapper_empty/pdn.tcl
+++ b/openlane/user_project_wrapper_empty/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qflow/digital_pll_controller/project_vars.sh b/qflow/digital_pll_controller/project_vars.sh
index 711094088..21adbd2ea 100644
--- a/qflow/digital_pll_controller/project_vars.sh
+++ b/qflow/digital_pll_controller/project_vars.sh
@@ -1,5 +1,5 @@
 #!/bin/tcsh -f
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qflow/digital_pll_controller/qflow_exec.sh b/qflow/digital_pll_controller/qflow_exec.sh
index 93fa53eb4..7f5750856 100755
--- a/qflow/digital_pll_controller/qflow_exec.sh
+++ b/qflow/digital_pll_controller/qflow_exec.sh
@@ -1,5 +1,5 @@
 #!/bin/tcsh -f
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qflow/digital_pll_controller/qflow_vars.sh b/qflow/digital_pll_controller/qflow_vars.sh
index b6347c372..542eb8664 100644
--- a/qflow/digital_pll_controller/qflow_vars.sh
+++ b/qflow/digital_pll_controller/qflow_vars.sh
@@ -1,5 +1,5 @@
 #!/bin/tcsh -f
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qflow/ring_osc2x13/project_vars.sh b/qflow/ring_osc2x13/project_vars.sh
index 6dec30ace..57448db9b 100644
--- a/qflow/ring_osc2x13/project_vars.sh
+++ b/qflow/ring_osc2x13/project_vars.sh
@@ -1,5 +1,5 @@
 #!/bin/tcsh -f
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qflow/ring_osc2x13/qflow_exec.sh b/qflow/ring_osc2x13/qflow_exec.sh
index 61568dcd0..8cdea1357 100755
--- a/qflow/ring_osc2x13/qflow_exec.sh
+++ b/qflow/ring_osc2x13/qflow_exec.sh
@@ -1,5 +1,5 @@
 #!/bin/tcsh -f
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qflow/ring_osc2x13/qflow_vars.sh b/qflow/ring_osc2x13/qflow_vars.sh
index 59f7d8317..0cf32f42f 100644
--- a/qflow/ring_osc2x13/qflow_vars.sh
+++ b/qflow/ring_osc2x13/qflow_vars.sh
@@ -1,5 +1,5 @@
 #!/bin/tcsh -f
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/scripts/compositor.py b/scripts/compositor.py
index 3191d9391..ec48636f2 100755
--- a/scripts/compositor.py
+++ b/scripts/compositor.py
@@ -1,5 +1,5 @@
 #!/bin/env python3
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/scripts/generate_fill.py b/scripts/generate_fill.py
index 330482dfb..6b4cbcd0c 100755
--- a/scripts/generate_fill.py
+++ b/scripts/generate_fill.py
@@ -1,5 +1,5 @@
 #!/bin/env python3
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/scripts/set_user_id.py b/scripts/set_user_id.py
index 7e1b65aa6..39753547a 100755
--- a/scripts/set_user_id.py
+++ b/scripts/set_user_id.py
@@ -1,5 +1,5 @@
 #!/bin/env python3
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/spi/lvs/run_lvs.sh b/spi/lvs/run_lvs.sh
index af4c349f2..25c27a1d4 100644
--- a/spi/lvs/run_lvs.sh
+++ b/spi/lvs/run_lvs.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/addmpwseal.tcl b/utils/addmpwseal.tcl
index 747376037..b562f93ee 100644
--- a/utils/addmpwseal.tcl
+++ b/utils/addmpwseal.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/core_scripts/magic-drc.sh b/utils/core_scripts/magic-drc.sh
index 56c849398..5f5068dbc 100644
--- a/utils/core_scripts/magic-drc.sh
+++ b/utils/core_scripts/magic-drc.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/core_scripts/magic-drc.tcl b/utils/core_scripts/magic-drc.tcl
index 1ea14a57b..6768d3c52 100755
--- a/utils/core_scripts/magic-drc.tcl
+++ b/utils/core_scripts/magic-drc.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/core_scripts/magic-ext.sh b/utils/core_scripts/magic-ext.sh
index bd3ccd90b..68bfc394a 100644
--- a/utils/core_scripts/magic-ext.sh
+++ b/utils/core_scripts/magic-ext.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/core_scripts/magic-ext.tcl b/utils/core_scripts/magic-ext.tcl
index a4fcc2fd6..5a05dcb2d 100644
--- a/utils/core_scripts/magic-ext.tcl
+++ b/utils/core_scripts/magic-ext.tcl
@@ -1,5 +1,5 @@
 #!/usr/bin/tclsh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/drc-def-sky130A.sh b/utils/drc-def-sky130A.sh
index c894ad013..671b14ab5 100644
--- a/utils/drc-def-sky130A.sh
+++ b/utils/drc-def-sky130A.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/drc-gds-sky130A.sh b/utils/drc-gds-sky130A.sh
index 079149196..4c1d6d8b2 100644
--- a/utils/drc-gds-sky130A.sh
+++ b/utils/drc-gds-sky130A.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/drc-mag-sky130A.sh b/utils/drc-mag-sky130A.sh
index 1acba4ce3..2bbecd33d 100644
--- a/utils/drc-mag-sky130A.sh
+++ b/utils/drc-mag-sky130A.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/addmpwseal.tcl b/utils/examples/addmpwseal.tcl
index de305686e..79e4b9e6a 100644
--- a/utils/examples/addmpwseal.tcl
+++ b/utils/examples/addmpwseal.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/create-project.sh b/utils/examples/create-project.sh
index 65277df06..5b5b69cdf 100755
--- a/utils/examples/create-project.sh
+++ b/utils/examples/create-project.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/drc-mag.sh b/utils/examples/drc-mag.sh
index ca6eb21c8..7229f4577 100644
--- a/utils/examples/drc-mag.sh
+++ b/utils/examples/drc-mag.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/drc-maglef.sh b/utils/examples/drc-maglef.sh
index 6915791e8..42f622f98 100644
--- a/utils/examples/drc-maglef.sh
+++ b/utils/examples/drc-maglef.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/drc.sh b/utils/examples/drc.sh
index ca6eb21c8..7229f4577 100755
--- a/utils/examples/drc.sh
+++ b/utils/examples/drc.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/edit.tcl b/utils/examples/edit.tcl
index 7431bc344..f1766adff 100644
--- a/utils/examples/edit.tcl
+++ b/utils/examples/edit.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/ext-gds.sh b/utils/examples/ext-gds.sh
index 360ff0ff7..c3efd7e5e 100644
--- a/utils/examples/ext-gds.sh
+++ b/utils/examples/ext-gds.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/ext-mag.sh b/utils/examples/ext-mag.sh
index e6250997a..a62a8313b 100644
--- a/utils/examples/ext-mag.sh
+++ b/utils/examples/ext-mag.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/ext.sh b/utils/examples/ext.sh
index 1c557d449..b414e8bdb 100644
--- a/utils/examples/ext.sh
+++ b/utils/examples/ext.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/extract.tcl b/utils/examples/extract.tcl
index dc62a068a..a38c9cb6b 100644
--- a/utils/examples/extract.tcl
+++ b/utils/examples/extract.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/lvs.sh b/utils/examples/lvs.sh
index 7a1187873..3a5043e55 100755
--- a/utils/examples/lvs.sh
+++ b/utils/examples/lvs.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/mag2gds.tcl b/utils/examples/mag2gds.tcl
index 84eabd212..8d7057dc7 100644
--- a/utils/examples/mag2gds.tcl
+++ b/utils/examples/mag2gds.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/magic_drc.tcl b/utils/examples/magic_drc.tcl
index dc6594344..554a4c6aa 100755
--- a/utils/examples/magic_drc.tcl
+++ b/utils/examples/magic_drc.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/pfg.sh b/utils/examples/pfg.sh
index 36cb05eee..9d8def18b 100755
--- a/utils/examples/pfg.sh
+++ b/utils/examples/pfg.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/run_openram_tc_1kb.sh b/utils/examples/run_openram_tc_1kb.sh
index 89e77f8da..408ce96b4 100755
--- a/utils/examples/run_openram_tc_1kb.sh
+++ b/utils/examples/run_openram_tc_1kb.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/setup.tcl b/utils/examples/setup.tcl
index 5e950309e..193dd2fd8 100644
--- a/utils/examples/setup.tcl
+++ b/utils/examples/setup.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/wrap.tcl b/utils/examples/wrap.tcl
index 99f1d2afa..fc2c87e77 100644
--- a/utils/examples/wrap.tcl
+++ b/utils/examples/wrap.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/wrap2.tcl b/utils/examples/wrap2.tcl
index ac255cc69..db1db3c23 100644
--- a/utils/examples/wrap2.tcl
+++ b/utils/examples/wrap2.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/examples/xor.sh b/utils/examples/xor.sh
index 474dcfe94..69110628f 100755
--- a/utils/examples/xor.sh
+++ b/utils/examples/xor.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/ext-def-sky130A.sh b/utils/ext-def-sky130A.sh
index 44cb5037e..51ec9550b 100644
--- a/utils/ext-def-sky130A.sh
+++ b/utils/ext-def-sky130A.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/ext-gds-sky130A.sh b/utils/ext-gds-sky130A.sh
index f21504d53..35071b85d 100644
--- a/utils/ext-gds-sky130A.sh
+++ b/utils/ext-gds-sky130A.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/ext-mag-sky130A.sh b/utils/ext-mag-sky130A.sh
index 7970190e0..b57ec31a4 100644
--- a/utils/ext-mag-sky130A.sh
+++ b/utils/ext-mag-sky130A.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/gds2mag-mag.local.sh b/utils/gds2mag-mag.local.sh
index 5f5595903..110358bb4 100755
--- a/utils/gds2mag-mag.local.sh
+++ b/utils/gds2mag-mag.local.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/gds2mag-mag.sh b/utils/gds2mag-mag.sh
index 06d8bdf6d..d53b156a7 100755
--- a/utils/gds2mag-mag.sh
+++ b/utils/gds2mag-mag.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/lef2maglef.sh b/utils/lef2maglef.sh
index 4d9dc1ae1..455c4a6b7 100755
--- a/utils/lef2maglef.sh
+++ b/utils/lef2maglef.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/mag2maglef-mag.sh b/utils/mag2maglef-mag.sh
index 1ba56999c..2934887ff 100755
--- a/utils/mag2maglef-mag.sh
+++ b/utils/mag2maglef-mag.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/mag2maglef-maglef.localrc.sh b/utils/mag2maglef-maglef.localrc.sh
index 91f9b6b47..f167252d7 100755
--- a/utils/mag2maglef-maglef.localrc.sh
+++ b/utils/mag2maglef-maglef.localrc.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/utils/mag2maglef-maglef.sh b/utils/mag2maglef-maglef.sh
index bb2f25c6b..e70fbd3c5 100755
--- a/utils/mag2maglef-maglef.sh
+++ b/utils/mag2maglef-maglef.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/defs.h b/verilog/dv/caravel/defs.h
index 9707d0e07..6e42c7afe 100644
--- a/verilog/dv/caravel/defs.h
+++ b/verilog/dv/caravel/defs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/gpio/gpio.c b/verilog/dv/caravel/mgmt_soc/gpio/gpio.c
index 16503bbc9..73dd397e1 100644
--- a/verilog/dv/caravel/mgmt_soc/gpio/gpio.c
+++ b/verilog/dv/caravel/mgmt_soc/gpio/gpio.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c
index 8a5155a93..3bfac3240 100644
--- a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c
+++ b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v
index 47025746e..50ea981bb 100644
--- a/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/hkspi/hkspi_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/mem/mem.c b/verilog/dv/caravel/mgmt_soc/mem/mem.c
index 0309bb583..a3b6fcc46 100644
--- a/verilog/dv/caravel/mgmt_soc/mem/mem.c
+++ b/verilog/dv/caravel/mgmt_soc/mem/mem.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c
index d92618b7e..1d7a140ee 100644
--- a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c
+++ b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v
index d1950ed9f..ae040011d 100644
--- a/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/mprj_ctrl/mprj_ctrl_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c
index adf5f8835..33a981d5a 100644
--- a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c
+++ b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v
index 099b81465..bb141e133 100644
--- a/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/pass_thru/pass_thru_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/perf/perf.c b/verilog/dv/caravel/mgmt_soc/perf/perf.c
index e4e7f58bc..5a17ba2f4 100644
--- a/verilog/dv/caravel/mgmt_soc/perf/perf.c
+++ b/verilog/dv/caravel/mgmt_soc/perf/perf.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/pll/pll.c b/verilog/dv/caravel/mgmt_soc/pll/pll.c
index ee3fc7ba9..81a1fc66e 100644
--- a/verilog/dv/caravel/mgmt_soc/pll/pll.c
+++ b/verilog/dv/caravel/mgmt_soc/pll/pll.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v b/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v
index 5c0316f3b..fd0f11ec7 100644
--- a/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/pll/pll_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/storage/storage.c b/verilog/dv/caravel/mgmt_soc/storage/storage.c
index 375b0901a..55fdd9802 100644
--- a/verilog/dv/caravel/mgmt_soc/storage/storage.c
+++ b/verilog/dv/caravel/mgmt_soc/storage/storage.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c
index 6c9064701..0f5d56db5 100644
--- a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c
+++ b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v
index 9912c3d31..b2e6b49c3 100644
--- a/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v
+++ b/verilog/dv/caravel/mgmt_soc/sysctrl/sysctrl_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/timer/timer.c b/verilog/dv/caravel/mgmt_soc/timer/timer.c
index 5d1000c7f..e01ed7f4e 100644
--- a/verilog/dv/caravel/mgmt_soc/timer/timer.c
+++ b/verilog/dv/caravel/mgmt_soc/timer/timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/timer2/timer2.c b/verilog/dv/caravel/mgmt_soc/timer2/timer2.c
index ab06d9932..6d598aceb 100644
--- a/verilog/dv/caravel/mgmt_soc/timer2/timer2.c
+++ b/verilog/dv/caravel/mgmt_soc/timer2/timer2.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/mgmt_soc/uart/uart.c b/verilog/dv/caravel/mgmt_soc/uart/uart.c
index 0dea68aa6..13cee0f99 100644
--- a/verilog/dv/caravel/mgmt_soc/uart/uart.c
+++ b/verilog/dv/caravel/mgmt_soc/uart/uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/stub.c b/verilog/dv/caravel/stub.c
index c89330cba..575cfc387 100644
--- a/verilog/dv/caravel/stub.c
+++ b/verilog/dv/caravel/stub.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c b/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c
index d570ee13b..a159f0a63 100644
--- a/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c
+++ b/verilog/dv/caravel/user_proj_example/io_ports/io_ports.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v b/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v
index b155c3d3b..c680a0bf7 100644
--- a/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v
+++ b/verilog/dv/caravel/user_proj_example/io_ports/io_ports_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c b/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c
index 7bea99e5c..9759ed739 100644
--- a/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c
+++ b/verilog/dv/caravel/user_proj_example/la_test1/la_test1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v b/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v
index 1fbf76404..210098fd2 100644
--- a/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v
+++ b/verilog/dv/caravel/user_proj_example/la_test1/la_test1_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c b/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c
index cb1f04dea..0267d252e 100644
--- a/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c
+++ b/verilog/dv/caravel/user_proj_example/la_test2/la_test2.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Efabless Corporation
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v b/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v
index f1dcb54ce..b9e5c806b 100644
--- a/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v
+++ b/verilog/dv/caravel/user_proj_example/la_test2/la_test2_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/dummy_slave.v b/verilog/dv/dummy_slave.v
index 4b1266537..be068fc5b 100644
--- a/verilog/dv/dummy_slave.v
+++ b/verilog/dv/dummy_slave.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v b/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v
index a8eedda53..6ff214ca0 100644
--- a/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v
+++ b/verilog/dv/wb_utests/gpio_wb/gpio_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v b/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v
index a4eb60ce2..5d91efa7e 100644
--- a/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v
+++ b/verilog/dv/wb_utests/intercon_wb/intercon_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/la_wb/la_wb_tb.v b/verilog/dv/wb_utests/la_wb/la_wb_tb.v
index 3ee98a6de..c1548c99e 100644
--- a/verilog/dv/wb_utests/la_wb/la_wb_tb.v
+++ b/verilog/dv/wb_utests/la_wb/la_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v b/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v
index 44e8190e4..549f90412 100644
--- a/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v
+++ b/verilog/dv/wb_utests/mem_wb/mem_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v b/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v
index f31dd4506..5d8645068 100644
--- a/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v
+++ b/verilog/dv/wb_utests/mprj_ctrl/mprj_ctrl_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v b/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v
index e78f723c5..a5baf0561 100644
--- a/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v
+++ b/verilog/dv/wb_utests/spi_sysctrl_wb/spi_sysctrl_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v b/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v
index b200db66a..febc12466 100644
--- a/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v
+++ b/verilog/dv/wb_utests/spimemio_wb/spimemio_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v b/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v
index 7f516484f..0cc6b78ec 100644
--- a/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v
+++ b/verilog/dv/wb_utests/storage_wb/storage_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v b/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v
index 95128f36f..cf80e0310 100644
--- a/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v
+++ b/verilog/dv/wb_utests/sysctrl_wb/sysctrl_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v b/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v
index b95fc20c0..0bbefdf50 100644
--- a/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v
+++ b/verilog/dv/wb_utests/uart_wb/uart_wb_tb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/DFFRAM.v b/verilog/gl/DFFRAM.v
index 5db928bcd..b7b170de8 100644
--- a/verilog/gl/DFFRAM.v
+++ b/verilog/gl/DFFRAM.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/caravel.v b/verilog/gl/caravel.v
index 243ec456e..1adbbb492 100644
--- a/verilog/gl/caravel.v
+++ b/verilog/gl/caravel.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/chip_io.v b/verilog/gl/chip_io.v
index 2caf6b7b5..f6a628b89 100644
--- a/verilog/gl/chip_io.v
+++ b/verilog/gl/chip_io.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/digital_pll.v b/verilog/gl/digital_pll.v
index 72b759295..85db1798a 100644
--- a/verilog/gl/digital_pll.v
+++ b/verilog/gl/digital_pll.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/gpio_control_block.v b/verilog/gl/gpio_control_block.v
index 66e47372d..bf9db51cd 100644
--- a/verilog/gl/gpio_control_block.v
+++ b/verilog/gl/gpio_control_block.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/mgmt_core.v b/verilog/gl/mgmt_core.v
index 833b92966..fa280e884 100644
--- a/verilog/gl/mgmt_core.v
+++ b/verilog/gl/mgmt_core.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/mgmt_protect.v b/verilog/gl/mgmt_protect.v
index c7f34da23..39cc8d0e1 100644
--- a/verilog/gl/mgmt_protect.v
+++ b/verilog/gl/mgmt_protect.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/mgmt_protect_hv.v b/verilog/gl/mgmt_protect_hv.v
index 1c18bf4d9..92669b702 100644
--- a/verilog/gl/mgmt_protect_hv.v
+++ b/verilog/gl/mgmt_protect_hv.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/simple_por.v b/verilog/gl/simple_por.v
index 082b56781..fe9d7c21a 100644
--- a/verilog/gl/simple_por.v
+++ b/verilog/gl/simple_por.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v b/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
index c070cc6f1..7b591d371 100644
--- a/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
+++ b/verilog/gl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/storage.v b/verilog/gl/storage.v
index 743a4fc8e..f212dc2ad 100644
--- a/verilog/gl/storage.v
+++ b/verilog/gl/storage.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/user_id_programming.v b/verilog/gl/user_id_programming.v
index 4cdbaf349..0282cfa59 100644
--- a/verilog/gl/user_id_programming.v
+++ b/verilog/gl/user_id_programming.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/user_proj_example.v b/verilog/gl/user_proj_example.v
index 7a25bdb32..3d8710e64 100644
--- a/verilog/gl/user_proj_example.v
+++ b/verilog/gl/user_proj_example.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/gl/user_project_wrapper.v b/verilog/gl/user_project_wrapper.v
index ff8dc736a..6cf5a57c9 100644
--- a/verilog/gl/user_project_wrapper.v
+++ b/verilog/gl/user_project_wrapper.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/DFFRAM.v b/verilog/rtl/DFFRAM.v
index 55a03a2a7..b80677f2b 100644
--- a/verilog/rtl/DFFRAM.v
+++ b/verilog/rtl/DFFRAM.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/DFFRAMBB.v b/verilog/rtl/DFFRAMBB.v
index defb25824..22ab55eb1 100644
--- a/verilog/rtl/DFFRAMBB.v
+++ b/verilog/rtl/DFFRAMBB.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/caravel.v b/verilog/rtl/caravel.v
index 2ee50bc3c..430b2f580 100644
--- a/verilog/rtl/caravel.v
+++ b/verilog/rtl/caravel.v
@@ -1,4 +1,18 @@
 // `default_nettype none
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 /*--------------------------------------------------------------*/
 /* caravel, a project harness for the Google/SkyWater sky130	*/
 /* fabrication process and open source PDK			*/
diff --git a/verilog/rtl/caravel_clocking.v b/verilog/rtl/caravel_clocking.v
index 0235f1936..cc0af252b 100644
--- a/verilog/rtl/caravel_clocking.v
+++ b/verilog/rtl/caravel_clocking.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/chip_io.v b/verilog/rtl/chip_io.v
index d45af632e..850549fd7 100644
--- a/verilog/rtl/chip_io.v
+++ b/verilog/rtl/chip_io.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/clock_div.v b/verilog/rtl/clock_div.v
index 85352436e..49ff44bf6 100644
--- a/verilog/rtl/clock_div.v
+++ b/verilog/rtl/clock_div.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/convert_gpio_sigs.v b/verilog/rtl/convert_gpio_sigs.v
index b197c7d87..e9e835102 100644
--- a/verilog/rtl/convert_gpio_sigs.v
+++ b/verilog/rtl/convert_gpio_sigs.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/counter_timer_high.v b/verilog/rtl/counter_timer_high.v
index 235e7408e..ea946f00d 100755
--- a/verilog/rtl/counter_timer_high.v
+++ b/verilog/rtl/counter_timer_high.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/counter_timer_low.v b/verilog/rtl/counter_timer_low.v
index 074fab46d..c543a6b93 100755
--- a/verilog/rtl/counter_timer_low.v
+++ b/verilog/rtl/counter_timer_low.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/defines.v b/verilog/rtl/defines.v
index 508ef4e32..3c9e59512 100644
--- a/verilog/rtl/defines.v
+++ b/verilog/rtl/defines.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/digital_pll.v b/verilog/rtl/digital_pll.v
index 345834986..b8dd69e9a 100644
--- a/verilog/rtl/digital_pll.v
+++ b/verilog/rtl/digital_pll.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/digital_pll_controller.v b/verilog/rtl/digital_pll_controller.v
index 3b745c7ae..ae13d9d10 100644
--- a/verilog/rtl/digital_pll_controller.v
+++ b/verilog/rtl/digital_pll_controller.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/gpio_control_block.v b/verilog/rtl/gpio_control_block.v
index f4a92bb55..8c4ef3f95 100644
--- a/verilog/rtl/gpio_control_block.v
+++ b/verilog/rtl/gpio_control_block.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/gpio_wb.v b/verilog/rtl/gpio_wb.v
index bcd4a2286..9941fc963 100644
--- a/verilog/rtl/gpio_wb.v
+++ b/verilog/rtl/gpio_wb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/housekeeping_spi.v b/verilog/rtl/housekeeping_spi.v
index c4bb78e6c..37c27c86a 100644
--- a/verilog/rtl/housekeeping_spi.v
+++ b/verilog/rtl/housekeeping_spi.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/la_wb.v b/verilog/rtl/la_wb.v
index cec862f43..79a88a935 100644
--- a/verilog/rtl/la_wb.v
+++ b/verilog/rtl/la_wb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/manifest b/verilog/rtl/manifest
index aac19407f..7f78a51de 100644
--- a/verilog/rtl/manifest
+++ b/verilog/rtl/manifest
@@ -1,35 +1,35 @@
-5e7d349fbdee30deee644794d8a02d9593145a6d  DFFRAM.v
-4af9b0f1f6d62aae4baeb6fc724fabc55f6b2581  DFFRAMBB.v
-7f2e64ff567d4a745aaae296db34294f5bbeb7f6  caravel.v
-b3a1f70e7ab737ebf8a0f8cc8bbd0099c50202d6  caravel_clocking.v
-9c4e56984c2564c8f84a0459553603ccb3ab0fd1  chip_io.v
-e01ff27f67d783ce12055c5b671256191a19c1b0  clock_div.v
-6af4e004999895d4ed75bf21d98a036ee3d44de5  convert_gpio_sigs.v
-9ce78d01ef2ba2524579cebc051e2eb9af18490e  counter_timer_high.v
-b7db20cf99e550da9c3d0fff9ad8f883fa48fb9b  counter_timer_low.v
-95473b2e0a30c0a799a76461800b5aba05a9845f  digital_pll.v
-b60c3bfa314ee7692a27e4e3695bc064cc69ee80  digital_pll_controller.v
-42dfa028e34bc9f41716ac06b55d34ed440fd926  gpio_control_block.v
-7acbb524393d1815f5d514b862b541f5e1282602  gpio_wb.v
-c251fda11936adc99cf525735d42e82223e56a11  housekeeping_spi.v
-21b1fe5035e01bf3c48341d2c13dc8a2c2871270  la_wb.v
-2c4eb3c797a5187893de9427878b293ab1e08372  mem_wb.v
-6cdfa07a1d17385ab35a0e5a4741c06155c03545  mgmt_core.v
-cb46861ca14c029c86b632ac0e95799e2f816b5d  mgmt_protect.v
-52e35a959d251644bb7a978d50f73b8d6104bb19  mgmt_protect_hv.v
+d328f88dd48e015bbaa95e0d7c88954343cc5632  DFFRAM.v
+dab57f3c5464ce3354219840dae589a3fcd27135  DFFRAMBB.v
+8a0bcbd870778416bb4e753909053881aca2368a  caravel.v
+b2feeb2a098894d5d731a5b011858a471e855d73  caravel_clocking.v
+38d2c674ea1f696bf2c9deaeee5f9b044f2445fb  chip_io.v
+d772308bd2a72121d7ed9dcdd40c8e6cbbe4b43c  clock_div.v
+f937b52e53d45bdbe41bcbd07c65b41104c21756  convert_gpio_sigs.v
+a16f89c8efa638eab43641ab7047bb8eeedd6fa6  counter_timer_high.v
+d8eab2f4cef158e3c7800778ffc2367ab4abe130  counter_timer_low.v
+fff2d08e49701312c2ebd6714b7425baf83f3d35  digital_pll.v
+ce49f9af199b5f16d2c39c417d58e5890bc7bab2  digital_pll_controller.v
+e6902f7a9958eab32b8904c6f7e2d3c81be7766a  gpio_control_block.v
+57554b3586f306944b31718a8c52526fa9a8a574  gpio_wb.v
+baf3aba29655ca7021398ddc3f68be81eff0fa0c  housekeeping_spi.v
+0544035d9f2bfc52ebcb3220a21f29e98a3784b4  la_wb.v
+ff3e65a783f3807340e25efac9207787d39fb6cd  mem_wb.v
+65feb79043201d3609307a3dd5af4e75cc26e81b  mgmt_core.v
+85dec445f0cf7afbef4aa6b919d31f0f5c9a0b7e  mgmt_protect.v
+f656dadb49cb97a46aada3d37a86a12f565e6e9e  mgmt_protect_hv.v
 20a482029168de93693a92ce03c00ec16e7b4776  mgmt_soc.v
-6d035b3ded00c1a279777598e3dd0d322be7a22a  mprj_ctrl.v
-8ede54ebe106e987d01aaaed59b0197ac6769b4f  mprj_io.v
-73ce18edaee6a019c537c7d0cfcaff72907886e1  pads.v
+93eb7aa0f8489715145ff0870737fecf8be1fa8c  mprj_ctrl.v
+b16ace2e7a9c02ed5f8f918fe9e4a460422c7304  mprj_io.v
+1352e5821905dce0b8203e9bee5e1adff02a9cbc  pads.v
 5f1d9a90287fa5ae6635933c287e8e9e3e39931a  picorv32.v
-c908a6ea89bd9cf78529b45db185f8963cb360a8  ring_osc2x13.v
-bbf4be77ad33b22e14b9532964c119981d781e3c  simple_por.v
-293f678d44b30abfab6c6a065828c916f05fd917  simple_spi_master.v
+669d16642d5dd5f6824812754db20db98c9fe17b  ring_osc2x13.v
+6864cc10dacfd3edb4c66825b7a301ab097cea0d  simple_por.v
+917aa6e1bb869f973c79fb2c7894eab882ead74c  simple_spi_master.v
 7a949db8a5665540e0125bfb7544852167e821b0  simpleuart.v
-c4f74b2b66f108ffeedb1f2ccbaa8df97f25a8ae  sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
+ec5fa62d935e1139de104b9201740020fdea4a17  sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
 b77b7eb6ae4b253abf157a01f6f349719a81628c  spimemio.v
-c4adcc886b2c2d1ebdd80b801c0c05d326b31d22  sram_1rw1r_32_256_8_sky130.v
-4514db10d3739a716ceaef87080cac7ee901fd44  storage.v
-2b07a0653c16f790d37a972a352383fd6d04558d  storage_bridge_wb.v
-b5714f36f90edb3e7ed5e58808eebb761b81af8e  sysctrl.v
-e0c25f0bffc166c0051227a8940ac30d718be8b0  wb_intercon.v
+3b4c3de623f8af0f0780f1e5b0f2217ef6406a2f  sram_1rw1r_32_256_8_sky130.v
+8dea2030f1f59fc58ce50d943c395b8041ff1fb3  storage.v
+7e8d789570ed224df49cf61f69593cc738790a5d  storage_bridge_wb.v
+5e314e94a13d7291117123395ae088e1d17cf487  sysctrl.v
+e6246df6bbf0860a331b3547d64f7d235b0eca9a  wb_intercon.v
diff --git a/verilog/rtl/mem_wb.v b/verilog/rtl/mem_wb.v
index 10fe839f3..01bd2e1a4 100644
--- a/verilog/rtl/mem_wb.v
+++ b/verilog/rtl/mem_wb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/mgmt_core.v b/verilog/rtl/mgmt_core.v
index f88155c0a..dff9c0f24 100644
--- a/verilog/rtl/mgmt_core.v
+++ b/verilog/rtl/mgmt_core.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/mgmt_protect.v b/verilog/rtl/mgmt_protect.v
index 306de3419..8cb927f25 100644
--- a/verilog/rtl/mgmt_protect.v
+++ b/verilog/rtl/mgmt_protect.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/mgmt_protect_hv.v b/verilog/rtl/mgmt_protect_hv.v
index 99e4bafea..c1ecd0bb0 100644
--- a/verilog/rtl/mgmt_protect_hv.v
+++ b/verilog/rtl/mgmt_protect_hv.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/mprj_ctrl.v b/verilog/rtl/mprj_ctrl.v
index c9648ab82..d5c24bf95 100644
--- a/verilog/rtl/mprj_ctrl.v
+++ b/verilog/rtl/mprj_ctrl.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/mprj_io.v b/verilog/rtl/mprj_io.v
index 16a49a742..8e7a6699d 100644
--- a/verilog/rtl/mprj_io.v
+++ b/verilog/rtl/mprj_io.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/pads.v b/verilog/rtl/pads.v
index 681306683..a5235189a 100644
--- a/verilog/rtl/pads.v
+++ b/verilog/rtl/pads.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/ring_osc2x13.v b/verilog/rtl/ring_osc2x13.v
index a96167f6d..f20110e9d 100644
--- a/verilog/rtl/ring_osc2x13.v
+++ b/verilog/rtl/ring_osc2x13.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/simple_por.v b/verilog/rtl/simple_por.v
index 04bbafe99..8168c0bb0 100644
--- a/verilog/rtl/simple_por.v
+++ b/verilog/rtl/simple_por.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/simple_spi_master.v b/verilog/rtl/simple_spi_master.v
index 45769253b..c319de825 100755
--- a/verilog/rtl/simple_spi_master.v
+++ b/verilog/rtl/simple_spi_master.v
@@ -1,4 +1,18 @@
 `default_nettype none
+// SPDX-FileCopyrightText: 2019 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 //----------------------------------------------------------------------------
 // Module: simple_spi_master
 //
diff --git a/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v b/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
index 1ec81ef59..a746169fd 100644
--- a/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
+++ b/verilog/rtl/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/sram_1rw1r_32_256_8_sky130.v b/verilog/rtl/sram_1rw1r_32_256_8_sky130.v
index 5840f1303..f62207972 100644
--- a/verilog/rtl/sram_1rw1r_32_256_8_sky130.v
+++ b/verilog/rtl/sram_1rw1r_32_256_8_sky130.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/storage.v b/verilog/rtl/storage.v
index b519e0d50..2efacb8e0 100644
--- a/verilog/rtl/storage.v
+++ b/verilog/rtl/storage.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/storage_bridge_wb.v b/verilog/rtl/storage_bridge_wb.v
index 23c81e21f..0f2432152 100644
--- a/verilog/rtl/storage_bridge_wb.v
+++ b/verilog/rtl/storage_bridge_wb.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/sysctrl.v b/verilog/rtl/sysctrl.v
index 8a694aacb..c18979eb4 100644
--- a/verilog/rtl/sysctrl.v
+++ b/verilog/rtl/sysctrl.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/user_id_programming.v b/verilog/rtl/user_id_programming.v
index 41fd2482c..873bbce20 100644
--- a/verilog/rtl/user_id_programming.v
+++ b/verilog/rtl/user_id_programming.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/user_proj_example.v b/verilog/rtl/user_proj_example.v
index ec99e660c..44e8eda5c 100644
--- a/verilog/rtl/user_proj_example.v
+++ b/verilog/rtl/user_proj_example.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/user_project_wrapper.v b/verilog/rtl/user_project_wrapper.v
index 2e5b525b6..47d92f4d6 100644
--- a/verilog/rtl/user_project_wrapper.v
+++ b/verilog/rtl/user_project_wrapper.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/rtl/wb_intercon.v b/verilog/rtl/wb_intercon.v
index e0084060c..7ebce83f5 100644
--- a/verilog/rtl/wb_intercon.v
+++ b/verilog/rtl/wb_intercon.v
@@ -1,4 +1,4 @@
-// Copyright 2020 Efabless Corporation
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/verilog/stubs/sky130_fd_io__top_xres4v2.v b/verilog/stubs/sky130_fd_io__top_xres4v2.v
index 43109f962..3fa6736a3 100644
--- a/verilog/stubs/sky130_fd_io__top_xres4v2.v
+++ b/verilog/stubs/sky130_fd_io__top_xres4v2.v
@@ -1,6 +1,6 @@
 `default_nettype none
 /*
- * Copyright 2020 The SkyWater PDK Authors
+ * SPDX-FileCopyrightText: 2020 The SkyWater PDK Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.