diff --git a/composer.json b/composer.json
index aae0b40..cae2ebf 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,7 @@
     }
   ],
   "require": {
-    "silverstripe/vendor-plugin": "^1.0",
-    "silverstripe/cms": "^4"
+    "silverstripe/cms": "^4 || ^5"
   },
   "license": "BSD-3-Clause",
   "autoload": {
@@ -20,7 +19,5 @@
       "DorsetDigital\\EnhancedRequirements\\": "src/"
     }
   },
-  "extra": {
-  },
   "minimum-stability": "dev"
 }
\ No newline at end of file