diff --git a/src/modules/Checkbox/Checkbox.js b/src/modules/Checkbox/Checkbox.js
index 991cde4435..77457bc9d1 100644
--- a/src/modules/Checkbox/Checkbox.js
+++ b/src/modules/Checkbox/Checkbox.js
@@ -107,7 +107,10 @@ export default class Checkbox extends Component {
     type: PropTypes.oneOf(['checkbox', 'radio']),
 
     /** The HTML input value. */
-    value: PropTypes.string,
+    value: PropTypes.oneOfType([
+      PropTypes.string,
+      PropTypes.number,
+    ]),
   }
 
   static defaultProps = {