diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 57114439..f879a61f 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -11,7 +11,7 @@ jobs:
     if: github.repository_owner == 'dermotduffy'
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v5.0.1
+      - uses: dessant/lock-threads@v6.0.0
         with:
           github-token: ${{ github.token }}
           issue-inactive-days: '30'