diff --git a/composer.json b/composer.json
index b5747463..1e4771fb 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "pestphp/pest": "^3.8.2|^4.0.0",
         "pestphp/pest-plugin-arch": "^3.1.1|^4.0.0",
         "pestphp/pest-plugin-type-coverage": "^3.5.1|^4.0.0",
-        "phpstan/phpstan": "^1.12.25",
+        "phpstan/phpstan": "^2.1.17",
         "symfony/var-dumper": "^7.2.6"
     },
     "autoload": {
diff --git a/src/ValueObjects/Transporter/Response.php b/src/ValueObjects/Transporter/Response.php
index 1645ab44..3c77bd2c 100644
--- a/src/ValueObjects/Transporter/Response.php
+++ b/src/ValueObjects/Transporter/Response.php
@@ -7,7 +7,7 @@
 use OpenAI\Responses\Meta\MetaInformation;
 
 /**
- * @template-covariant TData of array|string
+ * @template TData of array|string
  *
  * @internal
  */