diff --git a/composer.json b/composer.json
index 19ae8f4..ed13d81 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
 	"require": {
 		"php": ">=7.1 <8.3",
 		"ext-iconv": "*",
-		"nette/utils": "^3.1"
+		"nette/utils": "^3.1 || ~4.0.0"
 	},
 	"require-dev": {
 		"nette/di": "^3.0.0",