diff --git a/composer.json b/composer.json
index f76b313..82cb37b 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "brick/phonenumber": "^0.2@dev"
     },
     "require-dev": {
-        "nette/tester": "2.3.5",
+        "nette/tester": "2.4.0",
         "mockery/mockery": "1.4.3",
         "phpstan/phpstan": "0.12.80",
         "phpstan/phpstan-strict-rules": "0.12.9",