diff --git a/composer.json b/composer.json
index 6c613cb..33d093c 100755
--- a/composer.json
+++ b/composer.json
@@ -3,8 +3,8 @@
     "type": "neos-package",
     "description": "A view based on self-rendering presentational components for Neos CMS",
     "require": {
-        "neos/neos": "^9.0",
-        "neos/neos-ui": "^9.0"
+        "neos/neos": "9.0.0-beta15",
+        "neos/neos-ui": "9.0.0-beta15"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",