diff --git a/composer.json b/composer.json
index b62375bd..c26eaab8 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
         "phpstan/phpstan-doctrine": "1.3.43",
         "phpstan/phpstan-phpunit": "1.3.14",
         "phpstan/phpstan-symfony": "1.3.2",
-        "rector/rector": "0.18.3",
+        "rector/rector": "0.18.4",
         "roave/security-advisories": "dev-master",
         "serendipity_hq/rector-config": "^1.0",
         "symfony/console": "~4.4|~5.4|~6.0",