diff --git a/composer.json b/composer.json
index 830b74c..c22c040 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     },
      "extra": {
         "branch-alias": {
-            "dev-master": "1.20-dev"
+            "dev-master": "1.21-dev"
         }
     }
 }