diff --git a/composer.json b/composer.json
index 843fd311..79c92b52 100644
--- a/composer.json
+++ b/composer.json
@@ -47,5 +47,10 @@
         "files": [
             "phpseclib/Crypt/Random.php"
         ]
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "0.3-dev"
+        }
     }
 }