diff --git a/vanilla-js/index.html b/vanilla-js/index.html
index c715e9161..cd57fb1e5 100644
--- a/vanilla-js/index.html
+++ b/vanilla-js/index.html
@@ -349,9 +349,9 @@ <h2 id="my-mdc-dialog-label" class="mdc-dialog__header__title">
   </aside>
 </div>
 
-<script src="/__/firebase/9.22.1/firebase-app-compat.js"></script>
-<script src="/__/firebase/9.22.1/firebase-auth-compat.js"></script>
-<script src="/__/firebase/9.22.1/firebase-firestore-compat.js"></script>
+<script src="/__/firebase/10.3.1/firebase-app-compat.js"></script>
+<script src="/__/firebase/10.3.1/firebase-auth-compat.js"></script>
+<script src="/__/firebase/10.3.1/firebase-firestore-compat.js"></script>
 <script src="/__/firebase/init.js"></script>
 
 <script src="//unpkg.com/navigo@6"></script>