diff --git a/crates/web-sys/webidls/enabled/HTMLMediaElement.webidl b/crates/web-sys/webidls/enabled/HTMLMediaElement.webidl
index 8ad32d0b..37459af9 100644
--- a/crates/web-sys/webidls/enabled/HTMLMediaElement.webidl
+++ b/crates/web-sys/webidls/enabled/HTMLMediaElement.webidl
@@ -21,6 +21,8 @@ interface HTMLMediaElement : HTMLElement {
            attribute DOMString src;
   readonly attribute DOMString currentSrc;
 
+  attribute MediaStream? srcObject;
+
   [CEReactions, SetterThrows]
            attribute DOMString? crossOrigin;
   const unsigned short NETWORK_EMPTY = 0;