diff --git a/index.html b/index.html
index 52cedb9f..b673219b 100644
--- a/index.html
+++ b/index.html
@@ -67,11 +67,11 @@
         </script>
         <script type="module" src="/src/main.js"></script>
         <% if (debugTool == 'eruda') { %>
-            <script src="//cdn.jsdelivr.net/npm/eruda/eruda.min.js"></script>
+            <script src="//unpkg.com/eruda/eruda.js"></script>
             <script>eruda.init();</script>
         <% } %>
         <% if (debugTool == 'vconsole') { %>
-            <script src="//cdn.jsdelivr.net/npm/vconsole/dist/vconsole.min.js"></script>
+            <script src="//unpkg.com/vconsole/dist/vconsole.min.js"></script>
             <script>new VConsole();</script>
         <% } %>
     </body>