diff --git a/composer.json b/composer.json
index 471a354..7b5fe8c 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.8-dev"
+            "dev-master": "3.9-dev"
         }
     },
     "config": {