diff --git a/composer.json b/composer.json
index 4a2fbda..7055ab2 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.5",
-    "phpstan/phpstan": "~1.10.0",
+    "phpstan/phpstan": "~1.10.0 || ~2.1.0",
     "phpmd/phpmd": "^2.15",
     "friendsofphp/php-cs-fixer": "~2.18.2 || ~3.1.0 || ~3.57.0",
     "nelmio/alice": "~3.8.0 || ~3.12.1",