diff --git a/.github/workflows/bot-automerge.yaml b/.github/workflows/bot-automerge.yaml
new file mode 100644
index 0000000..d0f672a
--- /dev/null
+++ b/.github/workflows/bot-automerge.yaml
@@ -0,0 +1,20 @@
+name: Auto-merge bot PRs
+
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: (github.event.pull_request.user.login == 'dependabot[bot]' ||
+      github.event.pull_request.user.login == 'pre-commit-ci[bot]') &&
+      github.repository == 'sgibson91/bump-helm-deps-action'
+    steps:
+      - name: Enable auto-merge for bot PRs
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}