diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 840152c..d7fa616 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -1,16 +1,16 @@
 name: 'lock closed issues/PRs'
 on:
   schedule:
     - cron: '11 3 * * *'
   workflow_dispatch:
 jobs:
   lock:
     runs-on: ubuntu-latest
     steps:
-      - uses: getsentry/forked-action-lock-threads@latest
+      - uses: getsentry/forked-action-lock-threads@master
         with:
           github-token: ${{ github.token }}
           issue-lock-inactive-days: 15
           issue-lock-reason: ''
           pr-lock-inactive-days: 15
           pr-lock-reason: ''