diff --git a/composer.json b/composer.json
index a24f98d..c3b7d1f 100644
--- a/composer.json
+++ b/composer.json
@@ -19,5 +19,10 @@
     },
     "config": {
         "bin-dir": "bin"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
     }
 }