diff --git a/composer.json b/composer.json
index c66e73b..f06aa09 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
     "ext-ctype": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "^1.10",
+    "phpstan/phpstan": "^1.10 || ^2.0",
     "phpunit/phpunit": "^9.5",
     "symfony/yaml": "^5.3",
     "vimeo/psalm": "^5.11"