diff --git a/system/src/RocketTheme/Toolbox/Event/EventSubscriberInterface.php b/system/src/RocketTheme/Toolbox/Event/EventSubscriberInterface.php
new file mode 100644
index 000000000..9ccbdfcf5
--- /dev/null
+++ b/system/src/RocketTheme/Toolbox/Event/EventSubscriberInterface.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace RocketTheme\Toolbox\Event;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface as BaseEventSubscriberInterface;
+
+/**
+ * Defines EventSubscriberInterface.
+ *
+ * @package RocketTheme\Toolbox\Event
+ * @author RocketTheme
+ * @license MIT
+ * @deprecated Event classes will be removed in the future. Use PSR-14 implementation instead.
+ */
+interface EventSubscriberInterface extends BaseEventSubscriberInterface
+{
+}
\ No newline at end of file