diff --git a/composer.json b/composer.json
index 33e9721..8ef5144 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,8 @@
 		"issues": "https://github.com/purplespider/silverstripe-file-listing/issues"
 	},
 	"require": {
-		"silverstripe/framework": "^5",
-		"silverstripe/cms": "^5"
+		"silverstripe/framework": "^4 || ^5",
+		"silverstripe/cms": "^4 || ^5"
 	},
 	"replace": {
 		"silverstripe/file-listing": "*"