diff --git a/composer.json b/composer.json
index 2099ff26..864453af 100644
--- a/composer.json
+++ b/composer.json
@@ -76,7 +76,7 @@
         "stan-setup": "phive install",
         "lowest": "validate-prefer-lowest",
         "lowest-setup": "composer update --prefer-lowest --prefer-stable --prefer-dist --no-interaction && cp composer.json composer.backup && composer require --dev dereuromark/composer-prefer-lowest && mv composer.backup composer.json",
-        "rector-setup": "cp composer.json composer.backup && composer require --dev rector/rector:\"~2.3.1\" && mv composer.backup composer.json",
+        "rector-setup": "cp composer.json composer.backup && composer require --dev rector/rector:\"~2.3.1\" phpstan/phpstan:\"~2.1.40\" && mv composer.backup composer.json",
         "rector-check": "vendor/bin/rector process --dry-run",
         "rector-fix": "vendor/bin/rector process",
         "test": "phpunit",