diff --git a/Node-1st-gen/authenticated-json-api/public/index.html b/Node-1st-gen/authenticated-json-api/public/index.html
index 58b8697bc8..6325b11b3c 100644
--- a/Node-1st-gen/authenticated-json-api/public/index.html
+++ b/Node-1st-gen/authenticated-json-api/public/index.html
@@ -98,9 +98,9 @@ <h5>Message Details</h5>
     </div>
 
     <script src="https://code.getmdl.io/1.1.3/material.min.js"></script>
-    <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-    <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-    <script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
     <script src="/__/firebase/init.js"></script>
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.0/jquery.min.js"></script>
     <script src="main.js"></script>
diff --git a/Node-1st-gen/authorized-https-endpoint/public/index.html b/Node-1st-gen/authorized-https-endpoint/public/index.html
index d395b73bd1..229135f5c5 100644
--- a/Node-1st-gen/authorized-https-endpoint/public/index.html
+++ b/Node-1st-gen/authorized-https-endpoint/public/index.html
@@ -80,8 +80,8 @@ <h3>Authorized HTTP Function demo</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node-1st-gen/email-confirmation/public/index.html b/Node-1st-gen/email-confirmation/public/index.html
index 91fbd934ca..bfb4118a59 100644
--- a/Node-1st-gen/email-confirmation/public/index.html
+++ b/Node-1st-gen/email-confirmation/public/index.html
@@ -100,9 +100,9 @@ <h3>Very interesting website with Newsletter</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node-1st-gen/exif-images/public/index.html b/Node-1st-gen/exif-images/public/index.html
index d6325b9cb4..b8e70a2741 100644
--- a/Node-1st-gen/exif-images/public/index.html
+++ b/Node-1st-gen/exif-images/public/index.html
@@ -65,10 +65,10 @@ <h6>Image Metadata:</h6>
   <!-- Import and configure the Firebase SDK -->
   <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
   <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-  <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-  <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-  <script src="/__/firebase/10.0.0/firebase-storage-compat.js"></script>
-  <script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-storage-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
   <script src="/__/firebase/init.js"></script>
 
   <script src="main.js"></script>
diff --git a/Node-1st-gen/fcm-notifications/public/index.html b/Node-1st-gen/fcm-notifications/public/index.html
index 66d3fcf6a8..4c7d395501 100644
--- a/Node-1st-gen/fcm-notifications/public/index.html
+++ b/Node-1st-gen/fcm-notifications/public/index.html
@@ -86,10 +86,10 @@ <h3>Send FCM notifications demo</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-messaging-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-messaging-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node-1st-gen/fulltext-search-firestore/public/index.html b/Node-1st-gen/fulltext-search-firestore/public/index.html
index 72ab27d4e0..69bc230f8f 100644
--- a/Node-1st-gen/fulltext-search-firestore/public/index.html
+++ b/Node-1st-gen/fulltext-search-firestore/public/index.html
@@ -56,10 +56,10 @@ <h3>Results</h3>
         <!-- Import and configure the Firebase SDK -->
         <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
         <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-        <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-        <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-        <script src="/__/firebase/10.0.0/firebase-firestore-compat.js"></script>
-        <script src="/__/firebase/10.0.0/firebase-firestore-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-firestore-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-firestore-compat.js"></script>
         
         <script src="/__/firebase/init.js"></script>
 
diff --git a/Node-1st-gen/instagram-auth/public/index.html b/Node-1st-gen/instagram-auth/public/index.html
index ff3884dd47..add9d174b8 100644
--- a/Node-1st-gen/instagram-auth/public/index.html
+++ b/Node-1st-gen/instagram-auth/public/index.html
@@ -71,8 +71,8 @@ <h3>Sign in with Instagram demo</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node-1st-gen/instagram-auth/public/popup.html b/Node-1st-gen/instagram-auth/public/popup.html
index 374743eb72..f00d20092c 100644
--- a/Node-1st-gen/instagram-auth/public/popup.html
+++ b/Node-1st-gen/instagram-auth/public/popup.html
@@ -27,8 +27,8 @@
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script>
diff --git a/Node-1st-gen/linkedin-auth/public/index.html b/Node-1st-gen/linkedin-auth/public/index.html
index 82d8c47539..ea77ce5b56 100644
--- a/Node-1st-gen/linkedin-auth/public/index.html
+++ b/Node-1st-gen/linkedin-auth/public/index.html
@@ -72,8 +72,8 @@ <h3>Sign in with LinkedIn demo</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node-1st-gen/linkedin-auth/public/popup.html b/Node-1st-gen/linkedin-auth/public/popup.html
index e479ec228c..c31628e289 100644
--- a/Node-1st-gen/linkedin-auth/public/popup.html
+++ b/Node-1st-gen/linkedin-auth/public/popup.html
@@ -27,8 +27,8 @@
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script>
diff --git a/Node-1st-gen/okta-auth/public/index.html b/Node-1st-gen/okta-auth/public/index.html
index 391dc3cde9..c56b633b1b 100644
--- a/Node-1st-gen/okta-auth/public/index.html
+++ b/Node-1st-gen/okta-auth/public/index.html
@@ -22,8 +22,8 @@
 <head>
     <meta charset="utf-8"/>
     <title>Okta sign-in demo</title>
-    <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-    <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
     <script src="/__/firebase/init.js"></script>
     <script src="https://global.oktacdn.com/okta-signin-widget/4.1.1/js/okta-sign-in.min.js" type="text/javascript"></script>
     <link href="https://global.oktacdn.com/okta-signin-widget/4.1.1/css/okta-sign-in.min.css" type="text/css" rel="stylesheet"/>
diff --git a/Node-1st-gen/paypal/public/index.html b/Node-1st-gen/paypal/public/index.html
index 540bd43752..3f0d9794fe 100644
--- a/Node-1st-gen/paypal/public/index.html
+++ b/Node-1st-gen/paypal/public/index.html
@@ -30,9 +30,9 @@
   <!-- Import and configure the Firebase SDK -->
   <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
   <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-  <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-  <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-  <script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+  <script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
   <script src="/__/firebase/init.js"></script>
 
   <script type="text/javascript">
diff --git a/Node-1st-gen/presence-firestore/public/index.html b/Node-1st-gen/presence-firestore/public/index.html
index e4b37b2885..ba25a88739 100644
--- a/Node-1st-gen/presence-firestore/public/index.html
+++ b/Node-1st-gen/presence-firestore/public/index.html
@@ -23,10 +23,10 @@ <h3>History of user presence (since this page was opened)</h3>
         <!-- Import and configure the Firebase SDK -->
         <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
         <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-        <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-        <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-        <script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
-        <script src="/__/firebase/10.0.0/firebase-firestore-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
+        <script src="/__/firebase/12.1.0/firebase-firestore-compat.js"></script>
    
         <script src="/__/firebase/init.js"></script>
 
diff --git a/Node-1st-gen/quickstarts/email-users/public/index.html b/Node-1st-gen/quickstarts/email-users/public/index.html
index f4b5e0b597..bd1f4a94cc 100644
--- a/Node-1st-gen/quickstarts/email-users/public/index.html
+++ b/Node-1st-gen/quickstarts/email-users/public/index.html
@@ -68,9 +68,9 @@ <h3>Welcome email demo</h3>
 </div>
 
 <!-- Firebase -->
-<script defer src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script defer src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-<script defer src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+<script defer src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script defer src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+<script defer src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
 <!-- initialize the SDK after all desired features are loaded -->
 <script defer src="/__/firebase/init.js"></script>
 
diff --git a/Node-1st-gen/spotify-auth/public/index.html b/Node-1st-gen/spotify-auth/public/index.html
index 6f529df2a9..eb939c73a7 100644
--- a/Node-1st-gen/spotify-auth/public/index.html
+++ b/Node-1st-gen/spotify-auth/public/index.html
@@ -69,8 +69,8 @@ <h3>Sign in with Spotify demo</h3>
 </div>
 
 <!-- Firebase -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node-1st-gen/spotify-auth/public/popup.html b/Node-1st-gen/spotify-auth/public/popup.html
index f379a21608..88bc81c646 100644
--- a/Node-1st-gen/spotify-auth/public/popup.html
+++ b/Node-1st-gen/spotify-auth/public/popup.html
@@ -24,8 +24,8 @@
 Please wait...
 
 <!-- Firebase -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script>
diff --git a/Node-1st-gen/stripe/public/index.html b/Node-1st-gen/stripe/public/index.html
index edf9055e4a..a3052d606f 100644
--- a/Node-1st-gen/stripe/public/index.html
+++ b/Node-1st-gen/stripe/public/index.html
@@ -120,9 +120,9 @@ <h2>Payments</h2>
     <!-- Import and configure the Firebase SDK -->
     <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
     <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-    <script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-    <script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-    <script src="/__/firebase/10.0.0/firebase-firestore-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+    <script src="/__/firebase/12.1.0/firebase-firestore-compat.js"></script>
     <script src="/__/firebase/init.js"></script>
 
     <!-- Import Firebase UI -->
diff --git a/Node-1st-gen/text-moderation/public/index.html b/Node-1st-gen/text-moderation/public/index.html
index b26b21c69c..9baf1519dd 100644
--- a/Node-1st-gen/text-moderation/public/index.html
+++ b/Node-1st-gen/text-moderation/public/index.html
@@ -94,8 +94,8 @@ <h2 class="mdl-card__title-text">Last Guestbook's messages</h2>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node/fcm-notifications/public/index.html b/Node/fcm-notifications/public/index.html
index 66d3fcf6a8..4c7d395501 100644
--- a/Node/fcm-notifications/public/index.html
+++ b/Node/fcm-notifications/public/index.html
@@ -86,10 +86,10 @@ <h3>Send FCM notifications demo</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-messaging-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-messaging-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>
diff --git a/Node/quickstarts/callable-functions-streaming/website/index.html b/Node/quickstarts/callable-functions-streaming/website/index.html
index 13e4d88df2..99c3cc4b0d 100644
--- a/Node/quickstarts/callable-functions-streaming/website/index.html
+++ b/Node/quickstarts/callable-functions-streaming/website/index.html
@@ -10,12 +10,12 @@ <h1>Many forecasts</h1>
     <button id="btn-call-func">Get forecasts</button>
     <div id="forecasts"></div>
     <script type="module">
-      import { initializeApp } from "https://www.gstatic.com/firebasejs/11.2.0/firebase-app.js";
+      import { initializeApp } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-app.js";
       import {
         getFunctions,
         httpsCallable,
         connectFunctionsEmulator,
-      } from "https://www.gstatic.com/firebasejs/11.2.0/firebase-functions.js";
+      } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-functions.js";
 
       const callableButton = document.getElementById("btn-call-func");
       const resultElement = document.getElementById("forecasts");
diff --git a/Python/fcm-notifications/public/index.html b/Python/fcm-notifications/public/index.html
index 66d3fcf6a8..4c7d395501 100644
--- a/Python/fcm-notifications/public/index.html
+++ b/Python/fcm-notifications/public/index.html
@@ -86,10 +86,10 @@ <h3>Send FCM notifications demo</h3>
 <!-- Import and configure the Firebase SDK -->
 <!-- These scripts are made available when the app is served or deployed on Firebase Hosting -->
 <!-- If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup -->
-<script src="/__/firebase/10.0.0/firebase-app-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-auth-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-messaging-compat.js"></script>
-<script src="/__/firebase/10.0.0/firebase-database-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-app-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-auth-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-messaging-compat.js"></script>
+<script src="/__/firebase/12.1.0/firebase-database-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="main.js"></script>