diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
index 61d06af295..81ba078da4 100644
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@@ -14,6 +14,7 @@ jobs:
       continue-on-error: true
       with:
         ref: ${{ github.event.pull_request.head.ref }}
+        fetch-depth: 2
     - name: package_json
       shell: bash
       run: |