diff --git a/composer.json b/composer.json
index 9e8cd6b..f514218 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,6 @@
 		"silverstripe/cms": "~3.2"
 	},
 	"require-dev": {
-		"phpunit/PHPUnit": "~3.7@stable"
+		"phpunit/phpunit": "~3.7@stable"
 	}
 }