diff --git a/composer.json b/composer.json
index 21323f2..216366c 100644
--- a/composer.json
+++ b/composer.json
@@ -17,9 +17,10 @@
 	],
 	"require": {
 		"php": ">=5.3.0",
-		"composer/installers": "1.*,>=1.0.1"
+		"composer/installers": "1.*,>=1.0.1",
+		"mediawiki/semantic-media-wiki": "~2.1"
 	},
 	"autoload": {
-		"files": ["SMWParent.php"],
+		"files": ["SMWParent.php"]
 	}
 }