diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index cb32a569..aabe16d5 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9
         with:
           days-before-stale: 7
           days-before-pr-stale: 2