diff --git a/.github/workflows/daily.yaml b/.github/workflows/daily.yaml
index 87812d6ee8a..04ffdce4937 100644
--- a/.github/workflows/daily.yaml
+++ b/.github/workflows/daily.yaml
@@ -289,7 +289,7 @@ jobs:
   lock-threads:
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v4
+      - uses: dessant/lock-threads@c1b35aecc5cdb1a34539d14196df55838bb2f836 # v4
         with:
           github-token: ${{ secrets.BOT_TOKEN }}
           issue-inactive-days: '7'