diff --git a/MatomoTracker.php b/MatomoTracker.php
index 59fc9af..7fcf5ba 100644
--- a/MatomoTracker.php
+++ b/MatomoTracker.php
@@ -19,6 +19,7 @@
  * @package MatomoTracker
  * @api
  */
+#[AllowDynamicProperties]
 class MatomoTracker
 {
     /**