diff --git a/packages/new-design/lib/config.mjs b/packages/new-design/lib/config.mjs
index e70cc8906f4..209cdd451a0 100644
--- a/packages/new-design/lib/config.mjs
+++ b/packages/new-design/lib/config.mjs
@@ -136,6 +136,7 @@ yarn-error.log*
       'shared/components/mdx/highlight.mjs',
       'shared/components/mdx/http.mjs',
       'shared/components/mdx/index.mjs',
+      'shared/components/mdx/mermaid.mjs',
       'shared/components/mdx/prev-next.mjs',
       'shared/components/mdx/read-more.mjs',
       'shared/components/mdx/tabbed-example.mjs',