diff --git a/composer.json b/composer.json
index d804396..6dea8ed 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^1.12.10",
-        "phpstan/phpstan-phpunit": "^1.4.0",
+        "phpstan/phpstan-phpunit": "^2.0.0",
         "phpunit/phpunit": "^11.4.3"
     },
     "autoload": {