diff --git a/composer.json b/composer.json
index 3f2aabc1..b674a248 100644
--- a/composer.json
+++ b/composer.json
@@ -89,7 +89,7 @@
     "extra": {
         "class": "Composer\\Installers\\Plugin",
         "branch-alias": {
-            "dev-master": "1.0-dev"
+            "dev-master": "1.x-dev"
         }
     },
     "replace": {