diff --git a/composer.json b/composer.json
index bd916aeb..b65dc7c3 100644
--- a/composer.json
+++ b/composer.json
@@ -72,7 +72,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "5.x-dev",
+            "dev-5.x": "5.x-dev",
             "dev-4.x": "4.x-dev"
         }
     }