diff --git a/composer.json b/composer.json
index 9f0cc1d..3806250 100644
--- a/composer.json
+++ b/composer.json
@@ -37,6 +37,6 @@
     "require-dev": {
         "phpunit/phpunit": "^9.5",
         "broadway/coding-standard": "^1.2",
-        "phpstan/phpstan": "^1.0"
+        "phpstan/phpstan": "^2.1"
     }
 }