diff --git a/.github/workflows/cleanup.yml b/.github/workflows/cleanup.yml
index ee1ec788e2..ae0274dd95 100644
--- a/.github/workflows/cleanup.yml
+++ b/.github/workflows/cleanup.yml
@@ -1,5 +1,9 @@
 name: cleanup
-on: push
+on:
+  pull_request:
+    branches:
+      - main
+      - dev
 
 permissions:
   contents: write