diff --git a/Elements.Playground/wwwroot/index.html b/Elements.Playground/wwwroot/index.html
index 7204310eb..09d3bae76 100644
--- a/Elements.Playground/wwwroot/index.html
+++ b/Elements.Playground/wwwroot/index.html
@@ -13,10 +13,11 @@
 
 <body>
     <app>Loading...</app>
-    <script src="https://pagecdn.io/lib/ace/1.4.12/ace.min.js" crossorigin="anonymous"
-        integrity="sha256-T5QdmsCQO5z8tBAXMrCZ4f3RX8wVdiA0Fu17FGnU1vU=">
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.8.1/ace.min.js" crossorigin="anonymous"
+        integrity="sha512-IunksvjFi1CZJ59SN0Fw0dSkjMgLrY1PQ0WVPv1L3er6z1zW0AVLXs9nM2ZoEisoRo8eHDQn8FOs2KsZPwrUww==">
         </script>
-    <script src="https://pagecdn.io/lib/ace/1.4.12/ext-language_tools.js" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.8.1/ext-language_tools.js"
+        crossorigin="anonymous"></script>
     <script src="_framework/blazor.webassembly.js"></script>
 </body>
 
