diff --git a/composer.json b/composer.json
index a659c79..2cf410f 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,7 @@
 		"php": ">=5.4.0",
 		"nette/di": "~2.2",
 		"nette/http": "~2.2",
+		"nette/utils": "~2.4",
 		"tracy/tracy": "~2.4"
 	},
 	"autoload": {