diff --git a/composer.json b/composer.json
index f723587..c4c78b1 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
         "laminas/laminas-diactoros": "^3.1.0",
         "nyholm/psr7": "^1.8.1",
         "php-http/psr7-integration-tests": "^1.3.0",
-        "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^9.6",
         "doctrine/instantiator": "^1.3.1",
         "squizlabs/php_codesniffer": "^3.9"