diff --git a/composer.json b/composer.json
index 5b369f5..bfe2e77 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,7 @@
         }
     ],
     "require": {
-        "silverstripe/framework": "^5",
-        "silverstripe/asset-admin": "^2"
+        "silverstripe/framework": "^5 || ^4"
     },
     "extra": {
         "branch-alias": {