diff --git a/testing/web-platform/tests/dom/events/Event-dispatch-on-disabled-elements.html b/testing/web-platform/tests/dom/events/Event-dispatch-on-disabled-elements.html
index f81d71358463..361006a72404 100644
--- a/testing/web-platform/tests/dom/events/Event-dispatch-on-disabled-elements.html
+++ b/testing/web-platform/tests/dom/events/Event-dispatch-on-disabled-elements.html
@@ -1,5 +1,6 @@
 <!doctype html>
 <meta charset="utf8">
+<meta name="timeout" content="long">
 <title>Events must dispatch on disabled elements</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
