diff --git a/wwwroot/favicon.png b/wwwroot/favicon.png
index 8422b59..551388f 100644
Binary files a/wwwroot/favicon.png and b/wwwroot/favicon.png differ
diff --git a/wwwroot/icon-192.png b/wwwroot/icon-192.png
index 166f56d..3cf83f9 100644
Binary files a/wwwroot/icon-192.png and b/wwwroot/icon-192.png differ
diff --git a/wwwroot/index.html b/wwwroot/index.html
index af9e6d3..fd3c63b 100644
--- a/wwwroot/index.html
+++ b/wwwroot/index.html
@@ -10,6 +10,9 @@
     <link href="css/app.css" rel="stylesheet" />
     <link rel="icon" type="image/png" href="favicon.png" />
     <link href="WordSearch.styles.css" rel="stylesheet" />
+    <link href="manifest.json" rel="manifest" />
+    <link rel="apple-touch-icon" sizes="512x512" href="icon-512.png" />
+    <link rel="apple-touch-icon" sizes="192x192" href="icon-192.png" />
 </head>
 
 <body>
@@ -27,6 +30,7 @@
         <a class="dismiss">🗙</a>
     </div>
     <script src="_framework/blazor.webassembly.js"></script>
+    <script>navigator.serviceWorker.register('service-worker.js');</script>
 </body>
 
 </html>
