diff --git a/sw.js b/sw.js
index 69655a3..8b13675 100644
--- a/sw.js
+++ b/sw.js
@@ -1,6 +1,7 @@
 async function initCache() {
   const cache = await caches.open('v1')
   await cache.addAll([
+    '/',
     '/app.js',
     '/components/file-group-page.js',
     '/components/header.js',