diff --git a/.github/workflows/update-submodules.yml b/.github/workflows/update-submodules.yml
index f5b94b9..ae3624f 100644
--- a/.github/workflows/update-submodules.yml
+++ b/.github/workflows/update-submodules.yml
@@ -2,6 +2,8 @@ name: Update Submodules
 
 on:
   workflow_dispatch:
+  schedule:
+    - cron:  '0 0 * * *'
 
 jobs:
   update-submodules: