diff --git a/src/types/value.js b/src/types/value.js
index fbdff6b..332a55a 100644
--- a/src/types/value.js
+++ b/src/types/value.js
@@ -2,5 +2,6 @@ import PropTypes from 'prop-types';
 
 export default PropTypes.oneOfType([
   PropTypes.number,
-  PropTypes.string
+  PropTypes.string,
+  PropTypes.bool
 ]);