diff --git a/composer.json b/composer.json
index c1aee0f7..bf9bd867 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "4.x-dev"
+            "dev-master": "5.x-dev"
         }
     },
     "autoload": {