diff --git a/composer.json b/composer.json
index 5332d00..39194f0 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     },
     "require-dev": {
         "ext-zip": "*",
-        "phpstan/phpstan": "^1.0.0",
+        "phpstan/phpstan": "^2.1.0",
         "phpunit/phpunit": "^12.1.0",
         "spryker/code-sniffer": "^0.17.20"
     },
diff --git a/phpstan.neon b/phpstan.neon
index e61bcf2..0ad9c3e 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -2,4 +2,3 @@ parameters:
     level: 8
     paths:
         - src/
-    checkGenericClassInNonGenericObjectType: false
diff --git a/src/Infrastructure/Service/Filesystem.php b/src/Infrastructure/Service/Filesystem.php
index 4dc9e42..17fdca2 100644
--- a/src/Infrastructure/Service/Filesystem.php
+++ b/src/Infrastructure/Service/Filesystem.php
@@ -82,9 +82,8 @@ protected static function box(string $func, ...$args): mixed
 
         static::$lastError = null;
 
-        /** @var callable $errorHandler */
         $errorHandler = static::class . '::handleError';
-        set_error_handler($errorHandler);
+        set_error_handler($errorHandler); // @phpstan-ignore argument.type
         try {
             return $func(...$args);
         } finally {