diff --git a/composer.json b/composer.json
index ed03b54..920c6f3 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,8 @@
 	],
 	"require":
 	{
-		"silverstripe/framework": ">=3.1",
-		"silverstripe/cms": ">=3.1"
+		"silverstripe/framework": "^3.1",
+		"silverstripe/cms": "^3.1"
 	},
 	"extra": 
 	{