diff --git a/composer.json b/composer.json
index 9a9b763..fa39dbb 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         "email": "nivanka@silverstripers.com"
     }],
     "require": {
-        "silverstripe/framework": "^4",
+        "silverstripe/framework": "4.1.x-dev",
         "cebe/markdown": "1.1.2"
     },
     "autoload": {
@@ -27,5 +27,4 @@
         ],
         "installer-name": "markdown"
     }
-    
 }