diff --git a/composer.json b/composer.json
index dc7375d..c974ca3 100644
--- a/composer.json
+++ b/composer.json
@@ -4,8 +4,8 @@
     "type": "neos-package",
     "license": ["GPL-3.0-or-later"],
     "require": {
-        "neos/neos": "^3.0||dev-master",
-        "neos/fusion": "^3.0||dev-master"
+        "neos/neos": "^3.0  || ^4.0.0 || dev-master",
+        "neos/fusion": "^3.0  || ^4.0.0 || dev-master"
     },
     "autoload": {
         "psr-4": {
@@ -17,4 +17,4 @@
             "package-key": "PackageFactory.AtomicFusion.Mapping"
         }
     }
-}
\ No newline at end of file
+}