diff --git a/composer.json b/composer.json
index 897b203..bd77b92 100755
--- a/composer.json
+++ b/composer.json
@@ -16,8 +16,8 @@
     }
   ],
   "require": {
-    "silverstripe/cms": "^4.3",
-    "silverstripe/framework": "^4.3",
+    "silverstripe/cms": "^4.3 || ^5.0",
+    "silverstripe/framework": "^4.3 || ^5.0",
     "composer/installers": "*"
   }
 }