diff --git a/composer.json b/composer.json
index a370310..031b97d 100644
--- a/composer.json
+++ b/composer.json
@@ -10,12 +10,16 @@
 			"email": "sam@silverstripe.com"
 		}
 	],
-	"require":
-	{
+	"require": {
 		"silverstripe/framework": "~3.2",
 		"silverstripe/cms": "~3.2"
 	},
 	"require-dev": {
 		"phpunit/PHPUnit": "~3.7@stable"
+	},
+	"extra": {
+		"branch-alias": {
+			"1.x-dev": "1.4.x-dev"
+		}
 	}
 }