diff --git a/components/button/button.tsx b/components/button/button.tsx
index 309b5815f1..375f2bf176 100644
--- a/components/button/button.tsx
+++ b/components/button/button.tsx
@@ -47,6 +47,7 @@ export interface ButtonProps {
   onClick?: React.FormEventHandler<any>;
   onMouseUp?: React.FormEventHandler<any>;
   onMouseDown?: React.FormEventHandler<any>;
+  tabIndex?: number;
   loading?: boolean | { delay?: number };
   disabled?: boolean;
   style?: React.CSSProperties;