diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dcafc1c..74ab709 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -61,7 +61,7 @@ jobs:
         run: |
           sh pd-lib-builder-iem-ci/localdeps/localdeps.linux.sh pkglibdir/asdf/asdf~.pd_linux
       - name: Upload Pd external
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Linux Pd external
           path: pure-data/pkglibdir/asdf/*
@@ -120,7 +120,7 @@ jobs:
         run: |
           sh pd-lib-builder-iem-ci/localdeps/localdeps.macos.sh pkglibdir/asdf/asdf~.pd_darwin
       - name: Upload Pd external
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: macOS Pd external
           path: pure-data/pkglibdir/asdf/*
@@ -170,7 +170,7 @@ jobs:
         run: |
           sh pd-lib-builder-iem-ci/localdeps/localdeps.win.sh pkglibdir/asdf/asdf~.dll
       - name: Upload Pd external
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Windows Pd external
           path: pure-data/pkglibdir/asdf/*
@@ -249,7 +249,7 @@ jobs:
         run: |
           deken package -v $(git describe --tags --always) --objects pure-data/objects.txt asdf
       - name: Upload deken package
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Deken package
           path: "*.dek*"