diff --git a/composer.json b/composer.json
index b20d5f766..fcdc73185 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
   ],
   "extra": {
     "branch-alias": {
-      "dev-master": "3.2.x-dev"
+      "dev-master": "4.0.x-dev"
     }
   },
   "license": [