diff --git a/composer.json b/composer.json
index b21dd99..d561f7d 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
   "require-dev": {
     "phpunit/phpunit": "^6.0|^9.5",
     "friendsofphp/php-cs-fixer": "^3.0",
-    "phpstan/phpstan": "^1.0"
+    "phpstan/phpstan": "^2.1"
   },
   "autoload": {
     "psr-4": {