diff --git a/composer.json b/composer.json
index b399756..58393fb 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.0.x-dev"
+            "dev-master": "1.5.x-dev"
         }
     }
 }