diff --git a/composer.json b/composer.json
index 57e1f9f..19fba22 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
 	},
     "require-dev": {
         "phpunit/PHPUnit": "^5.7",
-        "silverstripe/recipe-cms": "^1.0"
+        "silverstripe/recipe-cms": "^1 | ^4"
     },
 	"extra": {
 		"installer-name": "opengraph",