diff --git a/composer.json b/composer.json
index 16f4851..6e3e6d5 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,6 @@
     "url": "git@github.com:colymba/GridFieldBulkEditingTools.git"
   }],
 	"require": {
-    "silverstripe/cms": "3.*"
+    "silverstripe/cms": "3.0.*"
 	}
 }
\ No newline at end of file