diff --git a/src/components/Button.jsx b/src/components/Button.jsx
index e7289c71..277e3759 100644
--- a/src/components/Button.jsx
+++ b/src/components/Button.jsx
@@ -11,6 +11,7 @@ class Button extends React.Component {
     className: PropTypes.string,
     children: PropTypes.node,
     disabled: PropTypes.bool,
+    type: PropTypes.string,
   }
 
   render() {