diff --git a/composer.json b/composer.json
index 4ed3896c..62c4b8dd 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
 	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "3.2.x-dev"
+			"dev-master": "4.0.x-dev"
 		}
 	},
 	"autoload": {