diff --git a/extensions/mutex/composer.json b/extensions/mutex/composer.json
index 172b5b2..56fdb7d 100644
--- a/extensions/mutex/composer.json
+++ b/extensions/mutex/composer.json
@@ -23,5 +23,5 @@
 	},
 	"autoload": {
 		"psr-0": { "yii\\mutex\\": "" }
-	},
+	}
 }