diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
new file mode 100644
index 000000000000..7dd1adb053b6
--- /dev/null
+++ b/.github/workflows/automerge.yml
@@ -0,0 +1,22 @@
+name: automerge # https://github.com/pascalgn/automerge-action
+on:
+  pull_request:
+  check_suite:
+    types:
+      - completed
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'secretariat-bot' }}
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - id: automerge
+        name: automerge
+        uses: "pascalgn/automerge-action@v0.16.4"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          MERGE_METHOD: "squash"
+          MERGE_FORKS: "false"
+          MERGE_FILTER_AUTHOR: "secretariat-bot"