diff --git a/apps/markdown-previewer/index.html b/apps/markdown-previewer/index.html
index 90c49be51..7af34d0b9 100644
--- a/apps/markdown-previewer/index.html
+++ b/apps/markdown-previewer/index.html
@@ -22,7 +22,7 @@
       crossorigin
       src="https://unpkg.com/react-dom@17/umd/react-dom.production.min.js"
     ></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/marked/2.0.3/marked.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/marked/2.1.3/marked.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.23.0/prism.min.js"></script>
     <script src="bundle.js"></script>
   </body>