diff --git a/.github/workflows/check-submodule-pointers.yml b/.github/workflows/check-submodule-pointers.yml
index 8051060..8996b16 100644
--- a/.github/workflows/check-submodule-pointers.yml
+++ b/.github/workflows/check-submodule-pointers.yml
@@ -3,6 +3,8 @@ name: Check submodule pointers
 on:
   push:
     branches: [ main ]
+  schedule:
+    - cron: '42 12 * * *'
 
 jobs:
   check-submodules: