diff --git a/includes/Vendor/Vendor.php b/includes/Vendor/Vendor.php
index 6ffad23b29..d291067658 100644
--- a/includes/Vendor/Vendor.php
+++ b/includes/Vendor/Vendor.php
@@ -15,6 +15,7 @@
  *
  * @since 2.6.10
  */
+#[\AllowDynamicProperties]
 class Vendor {
     /**
      * Set class public properties