diff --git a/Userland/Libraries/LibWeb/HTML/EventNames.h b/Userland/Libraries/LibWeb/HTML/EventNames.h
index d048674767a..5896245d807 100644
--- a/Userland/Libraries/LibWeb/HTML/EventNames.h
+++ b/Userland/Libraries/LibWeb/HTML/EventNames.h
@@ -116,6 +116,7 @@ namespace Web::HTML::EventNames {
     __ENUMERATE_HTML_EVENT(unhandledrejection)       \
     __ENUMERATE_HTML_EVENT(unload)                   \
     __ENUMERATE_HTML_EVENT(upgradeneeded)            \
+    __ENUMERATE_HTML_EVENT(versionchange)            \
     __ENUMERATE_HTML_EVENT(visibilitychange)         \
     __ENUMERATE_HTML_EVENT(volumechange)             \
     __ENUMERATE_HTML_EVENT(waiting)                  \