diff --git a/composer.json b/composer.json
index 18b7a68..f26cf7f 100644
--- a/composer.json
+++ b/composer.json
@@ -50,5 +50,10 @@
 			"vendor/phpunit/phpunit"
 		]
 	},
+	"extra": {
+		"branch-alias": {
+			"dev-master": "2.0.x-dev"
+		}
+	},
 	"minimum-stability": "dev"
 }