diff --git a/tools/composer.json b/tools/composer.json
index 6a0412a06..3a55f75fe 100644
--- a/tools/composer.json
+++ b/tools/composer.json
@@ -2,7 +2,7 @@
     "require": {
         "doctrine/coding-standard": "^12.0.0",
         "phpstan/phpstan": "^1.12.10",
-        "phpstan/phpstan-phpunit": "^1.4.0",
+        "phpstan/phpstan-phpunit": "^2.0.0",
         "vimeo/psalm": "^5.26.1",
         "roave/backward-compatibility-check": "^8.10.0",
         "roave/infection-static-analysis-plugin": "^1.35.0"