diff --git a/composer.json b/composer.json
index a5bbe17..d784ab7 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "latte/latte": "^2.5@dev"
     },
     "require-dev": {
-        "nette/tester": "2.3.5",
+        "nette/tester": "2.4.0",
         "phpstan/phpstan": "0.12.80",
         "phpstan/phpstan-strict-rules": "0.12.9",
         "pepakriz/phpstan-exception-rules": "0.11.6",