diff --git a/public/index.html b/public/index.html
index d99daf5..fce6144 100644
--- a/public/index.html
+++ b/public/index.html
@@ -13,7 +13,9 @@
   <link rel="preconnect" href="https://fonts.gstatic.com">
   </link>
   <link href="https://fonts.googleapis.com/css?family=Inter&amp;display=swap" rel="stylesheet" />
-  <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"></script>
+  <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"
+    integrity="sha384-IQsoLXl5PILFhosVNubq5LC7Qb9DXgDA9i+tQ8Zj3iwWAwPtgFTxbJ8NT4GN1R8p"
+    crossorigin="anonymous"></script>
   <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
     integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
   <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"