diff --git a/composer.json b/composer.json
index 25c36d0..2efa6c9 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
 
 	"require":
 	{
-		"silverstripe/cms": ">=3.1.x-dev,<4.0"
+		"silverstripe/cms": "~3.1"
 	},
 	"suggest":
 	{