diff --git a/composer.json b/composer.json
index 3066196..d049801 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "4.0-dev"
+            "dev-master": "5.0-dev"
         }
     }
 }