diff --git a/.github/workflows/lock-threads.yml b/.github/workflows/lock-threads.yml
index c4bd662..6d55b95 100644
--- a/.github/workflows/lock-threads.yml
+++ b/.github/workflows/lock-threads.yml
@@ -7,8 +7,8 @@ on:
     branches-ignore:
       - dependabot/**
   schedule:
-    # Once every day at 1am UTC
-    - cron: "0 1 * * *"
+    # Once every month on 9th day at 14:45 UTC
+    - cron: "45 14 9 * *"
   issue_comment:
 
 permissions: