diff --git a/composer.json b/composer.json
index 31c840d..9f2d3d2 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "11.5.55",
-        "phpstan/phpstan": "2.1.56",
+        "phpstan/phpstan": "2.2.8",
         "squizlabs/php_codesniffer": "3.13.6",
         "jardis/dev-skills": "^1.0",
         "jardisadapter/cache": "^1.0",