diff --git a/renovate.json b/renovate.json
index 98d5b1d..3888371 100644
--- a/renovate.json
+++ b/renovate.json
@@ -7,5 +7,8 @@
   ],
   "versioning": "semver",
   "dependencyDashboard": true,
-  "prHeader": "[![Renovate Joomla](https://camo.githubusercontent.com/80b6571d15d8ec7de8bd9f85a9f42e288ee0735c499641c2a6d05b346d552a52/68747470733a2f2f6170702e72656e6f76617465626f742e636f6d2f696d616765732f62616e6e65722e737667)](https://joomla.org)"
+  "lockFileMaintenance": { "enabled": true },
+  "composerIgnorePlatformReqs": ["ext-*", "lib-*"],
+  "rangeStrategy": "update-lockfile",
+  "baseBranches": ["master", "4.0-dev"]
 }