diff --git a/composer.json b/composer.json
index e6dfb55..6ff479f 100644
--- a/composer.json
+++ b/composer.json
@@ -7,5 +7,10 @@
       "psr-4": {
           "mikemccabe\\JsonPatch\\": "src"
       }
+  },
+  "extra": {
+      "branch-alias": {
+          "dev-master": "0.1.x-dev"
+      }
   }
 }