diff --git a/composer.json b/composer.json
index 5e3fdde..75ce109 100644
--- a/composer.json
+++ b/composer.json
@@ -59,7 +59,7 @@
 		"phpstan/extension-installer": "^1.4",
 		"phpstan/phpstan": "^2.2",
 		"phpstan/phpstan-deprecation-rules": "^2.0",
-		"phpstan/phpstan-phpunit": "^2.0",
+		"phpstan/phpstan-phpunit": "^2.1",
 		"phpstan/phpstan-strict-rules": "^2.0",
 		"phpunit/phpunit": "^9.6",
 		"squizlabs/php_codesniffer": "^3.13",