diff --git a/composer.json b/composer.json
index 2715355..8e9dcd6 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
 	],
 	"require": {
 		"php": ">=7.1",
-		"nette/utils": "^2.5 || ^3.0"
+		"nette/utils": "^2.5 || ^3.0 || ~4.0.0"
 	},
 	"require-dev": {
 		"nette/tester": "^2.0",