diff --git a/src/jsx.d.ts b/src/jsx.d.ts
index 04037d186e..22b7d6c9ba 100644
--- a/src/jsx.d.ts
+++ b/src/jsx.d.ts
@@ -2176,6 +2176,8 @@ export namespace JSXInternal {
 					| 'send'
 					| undefined
 			  >;
+		elementTiming?: string | undefined | SignalLike<string | undefined>;
+		elementtiming?: HTMLAttributes['elementTiming'];
 		exportparts?: string | undefined | SignalLike<string | undefined>;
 		for?: string | undefined | SignalLike<string | undefined>;
 		form?: string | undefined | SignalLike<string | undefined>;