diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e684961..24ebf7d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -170,7 +170,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@4391f3da665fdf50b6810c1a66712fb9ba21aa93 # v11
 
   mirror:
     if: |