diff --git a/.gitmodules b/.gitmodules
index 644af52d2..0e6055dea 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6549,3 +6549,7 @@
 	path = numpy-1.21-feedstock
 	url = ../numpy-feedstock
 	branch = numpy121
+[submodule "protobuf-3.11.2-feedstock"]
+	path = protobuf-3.11.2-feedstock
+	url = ../protobuf-feedstock
+	branch = main-3.11.2
diff --git a/conda_build_config.yaml b/conda_build_config.yaml
index 781aadad6..dd5e7bfd0 100644
--- a/conda_build_config.yaml
+++ b/conda_build_config.yaml
@@ -18,28 +18,16 @@ cairo:
   - 1.14                       # [not (s390x or aarch64 or (osx and arm64))]
   - 1.16                       # [s390x or aarch64 or (osx and arm64)]
 c_compiler:
-  - gcc                        # [linux and aarch64]
+  - gcc                        # [linux]
   - clang                      # [osx]
   - vs2017                     # [win]
 cxx_compiler:
-  - gxx                        # [linux and aarch64]
+  - gxx                        # [linux]
   - clangxx                    # [osx]
   - vs2017                     # [win]
 fortran_compiler:
-  - gfortran                   # [(linux and aarch64) or (osx and arm64)]
+  - gfortran                   # [linux or osx]
   - intel-fortran              # [win]
-fortran_compiler_version:
-  - 2019.0.0                     # [win]
-  - 11.1.0                       # [osx and arm64]
-# matrix on linux, because the ABI breaks at GCC 8
-  - 7.5.0                      # [linux and not (s390x or aarch64 or ppc64le)]
-  - 8.4.0                      # [linux and not (s390x or aarch64 or ppc64le)]
-  - 7.3.0                      # [linux and ppc64le]
-  - 8.2.0                      # [linux and ppc64le]
-  - 7.5.0                      # [linux and s390x]
-  - 8.4.0                      # [linux and s390x]
-  - 10.2.0                     # [linux and aarch64]
-  - 10.2.0                     # [linux and aarch64]
 m2w64_c_compiler:              # [win]
   - m2w64-toolchain            # [win]
 m2w64_cxx_compiler:            # [win]
@@ -62,22 +50,14 @@ VERBOSE_CM:
 cran_mirror:
   - https://mran.microsoft.com/snapshot/2018-01-01
 c_compiler_version:        # [linux or osx]
-  - 7.5.0                  # [linux and not (s390x or aarch64 or ppc64le)]
-  - 7.3.0                  # [linux and ppc64le]
-  - 7.5.0                  # [linux and s390x]
-  - 10.2.0                 # [linux and aarch64]
+  - 11.2.0                 # [linux]
   - 12                     # [osx]
 cxx_compiler_version:      # [linux or osx]
-  - 7.5.0                  # [linux and not (s390x or aarch64 or ppc64le)]
-  - 7.3.0                  # [linux and ppc64le]
-  - 7.5.0                  # [linux and s390x]
-  - 10.2.0                 # [linux and aarch64]
+  - 11.2.0                 # [linux]
   - 12                     # [osx]
-fortran_compiler_version:  # [linux]
-  - 7.5.0                  # [linux and not (s390x or aarch64 or ppc64le)]
-  - 7.3.0                  # [linux and ppc64le]
-  - 7.5.0                  # [linux and s390x]
-  - 10.2.0                 # [linux and aarch64]
+fortran_compiler_version:
+  - 2019.0.0               # [win]
+  - 11.2.0                 # [osx or linux]
 clang_variant:
   - clang
 cyrus_sasl:
diff --git a/gcc_toolchain-feedstock b/gcc_toolchain-feedstock
index 4c0a4d997..525581cbf 160000
--- a/gcc_toolchain-feedstock
+++ b/gcc_toolchain-feedstock
@@ -1 +1 @@
-Subproject commit 4c0a4d997795b643346dd071598ce13578be7b1e
+Subproject commit 525581cbf9edd348209e0bf8c56be267e86ee969
diff --git a/protobuf-3.11.2-feedstock b/protobuf-3.11.2-feedstock
new file mode 160000
index 000000000..349bb99da
--- /dev/null
+++ b/protobuf-3.11.2-feedstock
@@ -0,0 +1 @@
+Subproject commit 349bb99dae0b8faaf30d178bffbb34801bc66244
diff --git a/protobuf-feedstock b/protobuf-feedstock
index 72609b60a..6bca01bfe 160000
--- a/protobuf-feedstock
+++ b/protobuf-feedstock
@@ -1 +1 @@
-Subproject commit 72609b60a31d365b8dbea25b5065e4e5d846114b
+Subproject commit 6bca01bfe4559cba1ca7b9ff5973110aed6d609c
diff --git a/python-3.9-feedstock b/python-3.9-feedstock
index f06591dd2..bdae6e042 160000
--- a/python-3.9-feedstock
+++ b/python-3.9-feedstock
@@ -1 +1 @@
-Subproject commit f06591dd2ec5edb18c3fc0f785898b2838a39577
+Subproject commit bdae6e042b03311cb3f0962da07b1f3c8306de7a