diff --git a/composer.json b/composer.json
index 5613ba1..de4c9e9 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "v3.x-dev"
+            "dev-master": "4.x-dev"
         }
     }
 }