diff --git a/composer.json b/composer.json
index 2310073..7f87c16 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
   },
   "require": {
     "php": ">=8.0.0 <8.3.0",
-    "getkirby/cms": "^3.8"
+    "getkirby/cms": "^4.0"
   },
   "config": {
     "allow-plugins": {