diff --git a/index.html b/index.html
index e6d28add..4f4865be 100644
--- a/index.html
+++ b/index.html
@@ -22,9 +22,9 @@
 <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,500,700,700i" />
 <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons" />
 <link rel="stylesheet" href="css/base.min.css" />
-<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react@16.9.0/umd/react.production.min.js"></script>
-<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-dom@16.9.0/umd/react-dom.production.min.js"></script>
-<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-intl@3.3.0/dist/react-intl.min.js"></script>
+<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react@16.11.0/umd/react.production.min.js"></script>
+<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-dom@16.11.0/umd/react-dom.production.min.js"></script>
+<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-intl@3.4.0/dist/react-intl.min.js"></script>
 <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@6.6.2/firebase-app.js"></script>
 <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@6.6.2/firebase-messaging.js"></script>
 </head>