diff --git a/composer.json b/composer.json
index 8667ba51ba..be8ec3fc10 100644
--- a/composer.json
+++ b/composer.json
@@ -17,4 +17,9 @@
       "issues": "https://github.com/twbs/bootstrap/issues"
     }
   , "license": "Apache-2.0"
+  , "extra": {
+      "branch-alias": {
+          "dev-master": "3.0.x-dev"
+      }
+  }
 }