diff --git a/lib/geo-chart.js b/lib/geo-chart.js
index ce31c35..7bc5f35 100644
--- a/lib/geo-chart.js
+++ b/lib/geo-chart.js
@@ -31,7 +31,7 @@ export default class GeoChart extends Component {
                     <Switch
                         checked={tab !== 'continent'}
                         role="button"
-                        tabindex="0"
+                        tabIndex="0"
                         onChange={
                             tab !== 'continent'
                                 ? this.toggleTabContinent
diff --git a/package.json b/package.json
index 69ad35d..d7d1a87 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "metrics-widget",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "Display book usage metrics",
   "main": "./dist/index.js",
   "scripts": {