diff --git a/src/index.tsx b/src/index.tsx
index 2907924..2126546 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -11,4 +11,4 @@ ReactDOM.render(
   document.getElementById('root'),
 );
 
-serviceWorker.unregister();
+serviceWorker.register();