diff --git a/.github/workflows/auto-approve.yml b/.github/workflows/auto-approve.yml
new file mode 100644
index 00000000..6ae70b07
--- /dev/null
+++ b/.github/workflows/auto-approve.yml
@@ -0,0 +1,17 @@
+name: Auto approve
+
+on:
+  pull_request_target
+
+concurrency:
+  group: ci-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  auto-approve:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: hmarr/auto-approve-action@v4
+        if: github.actor == 'RenkuBot'
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}