diff --git a/.github/workflows/publish-immutable-actions.yml b/.github/workflows/publish-immutable-actions.yml
new file mode 100644
index 000000000..1e02a3a15
--- /dev/null
+++ b/.github/workflows/publish-immutable-actions.yml
@@ -0,0 +1,22 @@
+name: 'Publish Immutable Action Version'
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      packages: write
+
+    steps:
+      - name: Checking out
+        uses: actions/checkout@v4
+      - name: Publish
+        id: publish
+        uses: actions/publish-immutable-action@0.0.1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/externals/install-dotnet.sh b/externals/install-dotnet.sh
index caa3ea450..38a160cf1 100755
--- a/externals/install-dotnet.sh
+++ b/externals/install-dotnet.sh
@@ -331,6 +331,10 @@ get_machine_architecture() {
             echo "riscv64"
             return 0
             ;;
+        powerpc|ppc)
+            echo "ppc"
+            return 0
+            ;;
         esac
     fi