diff --git a/packages/ui/report.api.md b/packages/ui/report.api.md
index 5d04bf8626..f546761837 100644
--- a/packages/ui/report.api.md
+++ b/packages/ui/report.api.md
@@ -1038,7 +1038,7 @@ export interface HeaderProps {
 // @public
 export interface HeaderTab {
   // (undocumented)
-  href?: string;
+  href: string;
   // (undocumented)
   id: string;
   // (undocumented)