diff --git a/composer.json b/composer.json
index 225dd56..e891d1b 100644
--- a/composer.json
+++ b/composer.json
@@ -29,8 +29,8 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.14",
         "infection/infection": "^0.26.19",
-        "phpstan/phpstan": "^1.9",
-        "phpstan/phpstan-strict-rules": "^1.4",
+        "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan-strict-rules": "^2.0",
         "phpunit/phpunit": "^9.6",
         "vimeo/psalm": "^5.7"
     },