diff --git a/composer.json b/composer.json
index 82ad46a..0529346 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.60",
-        "phpstan/phpstan": "^1 || ^2",
+        "phpstan/phpstan": "^2.1.54",
         "phpunit/phpunit": "^9.6 || ^10 || ^11 || ^12 || ^13",
         "psr/http-factory": "^1.0",
         "squizlabs/php_codesniffer": "^3.9"