diff --git a/frontend/index.html b/frontend/index.html
index 45e9fd5..2a1470f 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -13,7 +13,7 @@
     <link rel="icon" type="image/png" href="./favicon-96x96.png" sizes="96x96" />
     <link rel="shortcut icon" href="./favicon.ico" />
     <link rel="apple-touch-icon" sizes="180x180" href="./apple-touch-icon.png" />
-    <link rel="manifest" href="./site.webmanifest" />
+    <link rel="manifest" href="./site.webmanifest" crossorigin="use-credentials" />
     <script>
       // Register minimal service worker for PWA installability.
       if ('serviceWorker' in navigator) {