diff --git a/.github/workflows/relock.yml b/.github/workflows/relock.yml
index 0ed31b231..10d18d349 100644
--- a/.github/workflows/relock.yml
+++ b/.github/workflows/relock.yml
@@ -4,7 +4,7 @@ on:
   workflow_dispatch: null
   issue_comment: null
   schedule:
-    - cron: '*/30 * * * *'
+    - cron: '15 * * * *'
 
 concurrency: relock