diff --git a/include/Zend/Json/Decoder.php b/include/Zend/Json/Decoder.php
index cc7a1f834c4254ccd805b53bcf8de8abe41c4dd6..0597a568cb61bd0f80965788d67a4a9b92478e9d 100644
--- a/include/Zend/Json/Decoder.php
+++ b/include/Zend/Json/Decoder.php
@@ -37,6 +37,8 @@ require_once 'include/Zend/Json/Exception.php';
  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
+
+#[\AllowDynamicProperties]
 class Zend_Json_Decoder
 {
     /**