diff --git a/web/docusaurus.config.js b/web/docusaurus.config.js
index fa1915fb2b4..43e92474bf5 100755
--- a/web/docusaurus.config.js
+++ b/web/docusaurus.config.js
@@ -102,6 +102,7 @@ module.exports = {
     },
     prism: {
       defaultLanguage: 'js',
+      additionalLanguages: ['dart'],
       plugins: ['line-numbers', 'show-language'],
       theme: require('@kiwicopple/prism-react-renderer/themes/vsDark'),
       darkTheme: require('@kiwicopple/prism-react-renderer/themes/vsDark'),