diff --git a/composer.json b/composer.json
index d34a881..f501af1 100644
--- a/composer.json
+++ b/composer.json
@@ -5,6 +5,6 @@
 	"keywords": ["silverstripe", "EBS", "web service"],
 	"license": "BSD-3-Clause",
 	"require": {
-		"silverstripe/framework": "4.*"
+		"silverstripe/framework": "5.*"
 	}
 }