diff --git a/composer.json b/composer.json
index 10d482b..4e62c37 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
     ],
     "require": {
         "php": ">=8.1",
-        "azjezz/psl": "^2.9 || ^3.2",
-        "cuyz/valinor": "^1.9",
+        "cuyz/valinor": "^2.4",
+        "php-standard-library/php-standard-library": "^5.5",
         "psr/log": "^1.1 || ^2.0 || ^3.0",
         "setono/html-element": "^1.0",
         "symfony/options-resolver": "^4.4 || ^5.4 || ^6.0 || ^7.0"
diff --git a/src/Exception/MappingErrorException.php b/src/Exception/MappingErrorException.php
index 4cc1b8c..a172a4d 100644
--- a/src/Exception/MappingErrorException.php
+++ b/src/Exception/MappingErrorException.php
@@ -16,8 +16,8 @@ final class MappingErrorException extends \InvalidArgumentException implements P
     public function __construct(MappingError $e, string $type, string $mapping)
     {
         $errorMessage = $e->getMessage() . "\n\n";
+        $messages = $e->messages();
 
-        $messages = Messages::flattenFromNode($e->node())->errors();
         foreach ($messages as $message) {
             $errorMessage .= (string) $message . "\n";
         }