diff --git a/composer.json b/composer.json
index 2a8bb40..9fe744c 100644
--- a/composer.json
+++ b/composer.json
@@ -12,6 +12,7 @@
 	],
 	"require":
 	{
-		"silverstripe/framework": "3.*"
+		"silverstripe/framework": "3.*",
+		"silverstripe/cms": "3.*"
 	}
 }
\ No newline at end of file