diff --git a/.gitmodules b/.gitmodules
index f2a53617a074dd7c32d8d78c47a5f1d09f8769ae..94655d16ce5d54d6be692cf3f54a3ea5ebbc0523 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "qtquickdesigner-components"]
 path = qtquickdesigner-components
-url = https://git.qt.io/design-studio/kit-dependencies/qt-quickdesigner-components.git
+url = https://codereview.qt-project.org/qt-labs/qtquickdesigner-components
 [submodule "emsdk"]
 path = emsdk
 url = https://github.com/emscripten-core/emsdk.git
diff --git a/www/index.html b/www/index.html
index 962aba26082c1bc43c5527395100b62e4c322071..808cad8bf0f77ffef04c712d15e98bd598f52477 100644
--- a/www/index.html
+++ b/www/index.html
@@ -18,6 +18,8 @@
       rel="stylesheet"
       type="text/css"
     />
+    <!-- Qt DS -->
+    <link rel="stylesheet" href="https://www.qt.io/hubfs/qt-design-system/qt-design-system-1.1.0.css">
 
     <link
       rel="icon"
@@ -37,9 +39,17 @@
     <title>Qt Design Viewer</title>
   </head>
 
-  <body onload="init()">
+  <body onload="init()" class="qt-design-system">
     <figure style="overflow: visible" id="qtspinner">
       <center style="line-height: 150%">
+        <div class="c-box c-box--grey h-wysiwyg-html" data-scheme style="font-style: normal;"> 
+          <p>Upcoming maintenance break on Tuesday 21st May</p>
+          <a class="c-link" target="_blank" rel="noopener noreferrer" 
+            href="https://forum.qt.io/topic/156671/upcoming-maintenance-break-on-the-qt-design-viewer-tuesday-21-05-2024">
+            Learn more
+          </a>
+        </div>
+      
         <img
           src="resources/images/qtdesignstudioviewer-128.png"
           srcset="
@@ -153,5 +163,6 @@
     <script src="qtdesignviewer.js"></script>
     <script src="scripts/script.js" type="text/javascript"></script>
     <script src="qtloader.js" type="text/javascript"></script>
+    <script type="text/javascript" src="https://www.qt.io/hubfs/qt-design-system/qt-design-system-1.1.0.js"></script>
   </body>
 </html>