diff --git a/composer.json.dist b/composer.json.dist
index 6776521..c7fb924 100644
--- a/composer.json.dist
+++ b/composer.json.dist
@@ -5,6 +5,6 @@
 		"codeigniter/framework": "3.1.*"
 	},
 	"require-dev": {
-		"mikey179/vfsStream": "1.1.*"
+		"mikey179/vfsstream": "1.1.*"
 	}
 }