diff --git a/composer.json b/composer.json
index f1ce8c4..8b5653d 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
     "require-dev": {
         "jazzman/php-cs-fixer-rules": "^0.1.3",
         "phpstan/extension-installer": "^1.2",
-        "rector/rector": "^0.14.8",
+        "rector/rector": "^0.15.21",
         "roave/security-advisories": "@dev",
         "roots/wordpress": "^6.1",
         "szepeviktor/phpstan-wordpress": "^1.1"