diff --git a/components/lib/tabview/tabview.d.ts b/components/lib/tabview/tabview.d.ts
index ae91895146..adc72d781a 100644
--- a/components/lib/tabview/tabview.d.ts
+++ b/components/lib/tabview/tabview.d.ts
@@ -6,6 +6,7 @@ interface TabPanelHeaderTemplateOptions {
     className: string;
     titleClassName: string;
     onClick(event: React.MouseEvent<HTMLElement>): void;
+    onKeyDown(event: React.KeyboardEvent<HTMLElement>): void;
     leftIconElement: JSX.Element;
     titleElement: JSX.Element;
     rightIconElement: JSX.Element;