diff --git a/.github/workflows/update_config_branch.yml b/.github/workflows/update_config_branch.yml
index bbd9580..c4590ba 100644
--- a/.github/workflows/update_config_branch.yml
+++ b/.github/workflows/update_config_branch.yml
@@ -14,6 +14,6 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Create pull request
-        run: gh pr create --base v4.x --title "Bump v4.x branch on release publish" --body ""
+        run: gh pr create --base v4.x --head main --title "Bump v4.x branch on release publish" --body ""
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}