diff --git a/public/static/sw.js b/public/static/sw.js
index 98c76b2..1cf258c 100644
--- a/public/static/sw.js
+++ b/public/static/sw.js
@@ -1,5 +1,8 @@
 const CACHE = 'gibbz-shell-v1';
-const SHELL = ['/', '/index.html', '/style.css', '/app.js', '/manifest.webmanifest'];
+// Only stable, unhashed paths here — the built JS/CSS bundle gets a content
+// hash in its filename (e.g. /assets/index-abc123.js), so it can't be listed
+// up front. The fetch handler below caches it lazily on first real request.
+const SHELL = ['/', '/index.html', '/manifest.webmanifest'];
 
 self.addEventListener('install', (event) => {
   event.waitUntil(caches.open(CACHE).then((cache) => cache.addAll(SHELL)));