diff --git a/default.json b/default.json
index 0505519..53a5419 100644
--- a/default.json
+++ b/default.json
@@ -5,7 +5,7 @@
   "lockFileMaintenance": {
     "enabled": true,
     "automerge": true,
-    "schedule": ["at 4am on monday"]
+    "schedule": ["after 3am and before 4am on sunday"]
   },
   "hostRules": [
     {