diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
index 0cdea23..3a491a4 100644
--- a/.github/workflows/update-changelog.yml
+++ b/.github/workflows/update-changelog.yml
@@ -21,7 +21,7 @@ jobs:
           release-notes: ${{ github.event.release.body }}
 
       - name: Commit updated CHANGELOG
-        uses: stefanzweifel/git-auto-commit-action@v5
+        uses: stefanzweifel/git-auto-commit-action@b863ae1933cb653a53c021fe36dbb774e1fb9403 # v5.2.0
         with:
           branch: main
           commit_message: Update CHANGELOG