diff --git a/ui/demo-pwa/esbuild.mjs b/ui/demo-pwa/esbuild.mjs
index a159bd4c8..f53fd6d1a 100755
--- a/ui/demo-pwa/esbuild.mjs
+++ b/ui/demo-pwa/esbuild.mjs
@@ -127,7 +127,7 @@ async function buildServiceWorker() {
     clientsClaim: true,
     skipWaiting: true,
     globPatterns: [
-      '**/*.{js,css,json,png,svg,ico,webp,woff2}',
+      '**/*.{js,css,json,png,svg,ico,webp,woff2,html}',
     ],
   });