diff --git a/src/utils/highlight.ts b/src/utils/highlight.ts
index d86ee374..036b9129 100644
--- a/src/utils/highlight.ts
+++ b/src/utils/highlight.ts
@@ -19,6 +19,7 @@ import 'prismjs/components/prism-ruby.js';
 import 'prismjs/components/prism-scala.js';
 import 'prismjs/components/prism-sql.js';
 import 'prismjs/components/prism-swift.js';
+import 'prismjs/components/prism-yaml.js';
 
 const DEFAULT_LANG = 'clike';