diff --git a/library/Zend/Pdf/Parser.php b/library/Zend/Pdf/Parser.php
index 85caebb..10472d8 100644
--- a/library/Zend/Pdf/Parser.php
+++ b/library/Zend/Pdf/Parser.php
@@ -35,6 +35,7 @@
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
+#[\AllowDynamicProperties]
 class Zend_Pdf_Parser
 {
     /**