diff --git a/composer.json b/composer.json
index 2b5c1d9..60ea404 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "9.*",
-        "phpstan/phpstan": "1.*"
+        "phpstan/phpstan": "2.*"
     },
     "scripts": {
         "test": "./vendor/bin/phpunit",