diff --git a/composer-require-checker.json b/composer-require-checker.json
index 9e1a2ec6..72481f9b 100644
--- a/composer-require-checker.json
+++ b/composer-require-checker.json
@@ -1,7 +1,12 @@
 {
     "scan-files" : ["bin/twig-cs-fixer"],
     "symbol-whitelist" : [
-        "Twig\\Extra\\Cache\\TokenParser\\CacheTokenParser",
-        "Symfony\\UX\\TwigComponent\\TwigComponentBundle"
+        "Symfony\\Bridge\\Twig\\TokenParser\\DumpTokenParser",
+        "Symfony\\Bridge\\Twig\\TokenParser\\FormThemeTokenParser",
+        "Symfony\\Bridge\\Twig\\TokenParser\\StopwatchTokenParser",
+        "Symfony\\Bridge\\Twig\\TokenParser\\TransDefaultDomainTokenParser",
+        "Symfony\\Bridge\\Twig\\TokenParser\\TransTokenParser",
+        "Symfony\\UX\\TwigComponent\\TwigComponentBundle",
+        "Twig\\Extra\\Cache\\TokenParser\\CacheTokenParser"
     ]
 }
diff --git a/composer.json b/composer.json
index 6d896f9f..645dce7a 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "phpunit/phpunit": "^9.5.26 || ^10.0.9",
         "psalm/plugin-phpunit": "^0.18.4",
         "psalm/plugin-symfony": "^5.0.0",
-        "rector/rector": "^0.17.0",
+        "rector/rector": "^0.18.0",
         "symfony/filesystem": "^5.4 || ^6.0",
         "symfony/process": "^5.4 || ^6.0",
         "symfony/twig-bridge": "^5.4 || ^6.0",
diff --git a/tests/TestHelper.php b/tests/TestHelper.php
index c47b59f4..f5242460 100644
--- a/tests/TestHelper.php
+++ b/tests/TestHelper.php
@@ -19,7 +19,7 @@ public static function generateDiff(string $contents, string $filePath): string
             throw new LogicException('Cannot get the current working directory.');
         }
 
-        $cwd = $cwd.\DIRECTORY_SEPARATOR;
+        $cwd .= \DIRECTORY_SEPARATOR;
         if (str_starts_with($filePath, $cwd)) {
             $filename = substr($filePath, \strlen($cwd));
         } else {