diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index a2c6c57..40c5f78 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -21,3 +21,11 @@ updates:
       codeql:
         patterns:
           - github/codeql-action*
+  - package-ecosystem: gitsubmodule
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: '14:00'
+    cooldown:
+      default-days: 7