diff --git a/src/Switch/index.tsx b/src/Switch/index.tsx
index db88eb2e..a19ace14 100644
--- a/src/Switch/index.tsx
+++ b/src/Switch/index.tsx
@@ -1,6 +1,9 @@
 import { Switch as AntdSwitch, SwitchProps as AntdSwitchProps } from 'antd';
+import { SwitchSize as AntdSwitchSize } from 'antd/es/switch';
 import * as React from 'react';
 
+export type SwitchSize = AntdSwitchSize;
+
 export type SwitchProps = AntdSwitchProps;
 
 export const Switch: React.ForwardRefExoticComponent<