diff --git a/packages/runtime-dom/src/jsx.ts b/packages/runtime-dom/src/jsx.ts
index 0c86434e9c7..4b67f16a97e 100644
--- a/packages/runtime-dom/src/jsx.ts
+++ b/packages/runtime-dom/src/jsx.ts
@@ -453,6 +453,7 @@ export interface IframeHTMLAttributes extends HTMLAttributes {
   /** @deprecated */
   frameborder?: Numberish
   height?: Numberish
+  loading?: 'eager' | 'lazy'
   /** @deprecated */
   marginheight?: Numberish
   /** @deprecated */