diff --git a/composer.json b/composer.json
index 1363cd8..65a15b5 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "require": {
         "php": ">=7.4.0 <8.3",
         "nepada/birth-number": "^1.0@dev",
-        "nette/utils": "^3.2@dev",
+        "nette/utils": "^3.2@dev || ^4.0@dev",
         "nette/forms": "^3.1@dev"
     },
     "require-dev": {