diff --git a/composer.json b/composer.json
index e9db5dd..64ebd63 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
             "mysite/code/*"
         ],
         "branch-alias": {
-            "dev-master": "1.2.x-dev"
+            "dev-main": "1.2.x-dev"
         }
     },
     "config": {