diff --git a/.github/workflows/build_rails.yml b/.github/workflows/build_rails.yml
index 34d26bf5..5ee56254 100644
--- a/.github/workflows/build_rails.yml
+++ b/.github/workflows/build_rails.yml
@@ -3,7 +3,7 @@ on:
   push:
   pull_request:
   schedule:
-    - cron: '* * * * 1'
+    - cron: '0 0 * * 0'
   workflow_dispatch:
 
 jobs: