diff --git a/.github/workflows/close_stale_issues.yml b/.github/workflows/close_stale_issues.yml
index 2d4085524bb8d014b1f68f8705693f40e2358cf8..bbafb6c9851c4af08142b3d36738a300fc44aded 100644
--- a/.github/workflows/close_stale_issues.yml
+++ b/.github/workflows/close_stale_issues.yml
@@ -8,7 +8,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           stale-issue-message: >