diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index d86f4b36282..3dfff009b05 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository_owner == 'sphinx-doc'
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v3
+      - uses: dessant/lock-threads@v5
         with:
           github-token: ${{ github.token }}
           issue-inactive-days: "30"