diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index dd29025..3be1a16 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -19,9 +19,8 @@ jobs:
           pr-labels: |                  # Labels to be set on the PR
             dependencies
             automated
-      - name : merge
-        uses : nbrugger-tgm/merge-pr-action@v0.2.2
-        with :
-          pull_request: ${{ steps.update.outputs.pull-request-number }}
-          token: ${{ secrets.GITHUB_TOKEN }}
-          method: squash
+      - name: merge PR
+        run: |
+          gh pr merge ${{ steps.update.outputs.pull-request-number }} --squash --delete-branch
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}