diff --git a/index-dev.html b/index-dev.html
index 2de595fd..1f5a03b9 100644
--- a/index-dev.html
+++ b/index-dev.html
@@ -32,10 +32,10 @@
     <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react@17/umd/react.development.js"></script>
     <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-dom@17/umd/react-dom.development.js"></script>
     <!-- React-Intl for translations -->
-    <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-intl@5.20.11/react-intl.iife.js"></script>
+    <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-intl@5/react-intl.iife.js"></script>
     <!-- Firebase for push notifications -->
-    <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@8/firebase-app.js"></script>
-    <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@8/firebase-messaging.js"></script>
+    <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@9/firebase-app.js"></script>
+    <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@9/firebase-messaging.js"></script>
   </head>
 
   <body>
diff --git a/index.html b/index.html
index 23415c5e..34e25074 100644
--- a/index.html
+++ b/index.html
@@ -25,8 +25,8 @@
 <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react@17.0.2/umd/react.production.min.js"></script>
 <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-dom@17.0.2/umd/react-dom.production.min.js"></script>
 <script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/react-intl@5.20.7/react-intl.iife.min.js"></script>
-<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@8.9.1/firebase-app.js"></script>
-<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@8.9.1/firebase-messaging.js"></script>
+<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@9.4.0/firebase-app.js"></script>
+<script crossorigin="anonymous" src="https://cdn.jsdelivr.net/npm/firebase@9.4.0/firebase-messaging.js"></script>
 </head>
 <body>
 <noscript><div id="noscript-message"><div id="noscript-title">Javascript support is required.</div>