diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index a4ef3b26..54185995 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -6,6 +6,9 @@
 name: Mark stale issues and pull requests
 
 on:
+  pull_request:
+    branches:
+      - main
   schedule:
   - cron: '35 8 * * *'
 
@@ -18,7 +21,7 @@ jobs:
       pull-requests: write
 
     steps:
-    - uses: actions/stale@v3
+    - uses: actions/stale@v6
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-issue-message: 'This issue has not seen any action for a while! Closing for now, but it can be reopened at a later date.'