diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 96e619a7e..e1aa5a83e 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -2,7 +2,7 @@ name: 'Lock threads'
 
 on:
   schedule:
-    - cron: '0 * * * *'
+    - cron: '0 0 * * *'
 
 jobs:
   lock: