diff --git a/renovate.json5 b/renovate.json5
index 48a821b6f..bf7cdacce 100644
--- a/renovate.json5
+++ b/renovate.json5
@@ -1,4 +1,5 @@
 {
     "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-    "extends": ["github>Lombiq/renovate-config:default.json5"]
+    "extends": ["github>Lombiq/renovate-config:default.json5"],
+    "cloneSubmodules": true,
 }