diff --git a/composer.json b/composer.json
index d48beba..7b0156a 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,10 @@
     },
     "require-dev": {
         "cakephp/cakephp-codesniffer": "^5.0",
-        "phpunit/phpunit": "^10.5.5 || ^11.1.3 || ^12.0 || ^13.0"
+        "phpunit/phpunit": "^10.5.5 || ^11.1.3 || ^12.0 || ^13.0",
+        "symfony/polyfill-php81": "^1.38",
+        "phpstan/phpstan": "^2.0",
+        "psalm/phar": "^6.0"
     },
     "autoload": {
         "psr-4": {
@@ -34,7 +37,6 @@
         "cs-fix": "vendor/bin/phpcbf --colors -p",
         "test": "vendor/bin/phpunit --colors=always --display-warnings",
         "coverage": "php -d xdebug.mode=coverage vendor/bin/phpunit --coverage-html coverage",
-        "stan-setup": "cp composer.json composer.backup && composer require --dev symfony/polyfill-php81 phpstan/phpstan:^2.0 psalm/phar:^6.0 && mv composer.backup composer.json",
         "phpstan": "vendor/bin/phpstan analyze",
         "psalm": "vendor/bin/psalm.phar --show-info=false",
         "stan": [