diff --git a/.github/workflows/lockthreads.yml b/.github/workflows/lockthreads.yml
index 60699703a..3a520f357 100644
--- a/.github/workflows/lockthreads.yml
+++ b/.github/workflows/lockthreads.yml
@@ -2,7 +2,7 @@ name: 'Lock threads'
 
 on:
   schedule:
-    - cron: '0 * * * *'
+    - cron: '0 18 * * *'
 
 jobs:
   lock: