diff --git a/readme.md b/readme.md
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@@ -467,6 +467,9 @@ or user content so there are no openings for
 * [`remark-mdx`](https://github.com/mdx-js/mdx/tree/main/packages/remark-mdx)
   — support MDX
   (ESM, JSX, expressions)
+* [`remark-directive-rehype`](https://github.com/IGassmann/remark-directive-rehype)
+  — simple preservation of directives and attributes when transforming
+  to HTML with **[rehype][github-rehype]**
 
 ## Contribute