diff --git a/composer.json b/composer.json
index b8ae5ef..1528c21 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 	],
 	"require": {
 		"composer/installers": "*",
-		"silverstripe/framework": "^4"
+		"silverstripe/framework": "^4@dev"
 	},
 	"extra": {
 		"branch-alias": {