diff --git a/src/Mvc/ViewCompilation/testassets/SimpleApp/Views/Shared/_Layout.cshtml b/src/Mvc/ViewCompilation/testassets/SimpleApp/Views/Shared/_Layout.cshtml
index 4ec1363ad9..28351d7a79 100644
--- a/src/Mvc/ViewCompilation/testassets/SimpleApp/Views/Shared/_Layout.cshtml
+++ b/src/Mvc/ViewCompilation/testassets/SimpleApp/Views/Shared/_Layout.cshtml
@@ -10,7 +10,7 @@
         <link rel="stylesheet" href="~/css/site.css" />
     </environment>
     <environment names="Staging,Production">
-        <link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.6/css/bootstrap.min.css"
+        <link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.4.1/css/bootstrap.min.css"
               asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
               asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
         <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
@@ -55,7 +55,7 @@
                 asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                 asp-fallback-test="window.jQuery">
         </script>
-        <script src="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.6/bootstrap.min.js"
+        <script src="https://ajax.aspnetcdn.com/ajax/bootstrap/3.4.1/bootstrap.min.js"
                 asp-fallback-src="~/lib/bootstrap/dist/js/bootstrap.min.js"
                 asp-fallback-test="window.jQuery && window.jQuery.fn && window.jQuery.fn.modal">
         </script>