diff --git a/extensions/MemberExtension.php b/extensions/MemberExtension.php
index 1772a03..d11a839 100644
--- a/extensions/MemberExtension.php
+++ b/extensions/MemberExtension.php
@@ -14,6 +14,7 @@
  * @author  Arno Bor
  * @package auth0
  */
+#[\AllowDynamicProperties]
 class MemberExtension extends DataExtension
 {
     use Configurable;