diff --git a/material-ui/index.d.ts b/material-ui/index.d.ts
index c399116482..90e19b43e9 100644
--- a/material-ui/index.d.ts
+++ b/material-ui/index.d.ts
@@ -723,6 +723,7 @@ declare namespace __MaterialUI {
         className?: string;
         disableTouchRipple?: boolean;
         disabled?: boolean;
+        hoveredStyle?: React.CSSProperties;
         iconClassName?: string;
         iconStyle?: React.CSSProperties;
         onBlur?: React.FocusEventHandler<{}>;