diff --git a/.github/workflows/update-submodules.yml b/.github/workflows/update-submodules.yml
index c23e9e0..b8766aa 100644
--- a/.github/workflows/update-submodules.yml
+++ b/.github/workflows/update-submodules.yml
@@ -2,7 +2,7 @@ name: Update Submodules
 
 on:
   schedule:
-    - cron: '* */24 * * *'
+    - cron: '0 0 * * *'
   workflow_dispatch:
 
 jobs: