diff --git a/composer.json b/composer.json
index 91803ea..8fe747f 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "phpunit/phpunit": "^9.0",
         "php-coveralls/php-coveralls": "^2.0",
         "vimeo/psalm": "^5.4",
-        "rector/rector": "^0.19.0"
+        "rector/rector": "^1.0.0"
     },
     "autoload": {
         "classmap": ["src/"]