diff --git a/composer.json b/composer.json
index 6f8b471..be0261f 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "require-dev": {
         "phpunit/phpunit": "^9.5",
         "doctrine/coding-standard": "^14.0",
-        "phpstan/phpstan": "^1.10",
+        "phpstan/phpstan": "^2.1",
         "squizlabs/php_codesniffer": "^4.0",
         "vimeo/psalm": "^5.0 || ^6.0",
         "phpmd/phpmd": "^2.13",