diff --git a/global.d.ts b/global.d.ts
index b681c314..330db513 100644
--- a/global.d.ts
+++ b/global.d.ts
@@ -2,3 +2,7 @@ declare module 'remark-html' {
   const html: any
   export default html
 }
+
+declare module 'remark-highlight.js'
+
+declare module 'remark-footnotes'