diff --git a/README.md b/README.md
index fd927cb76..e8104bced 100644
--- a/README.md
+++ b/README.md
@@ -212,6 +212,7 @@ let us know and we'll be happy to include it here!
 - **Telegram bot**: [https://github.com/meinside/telegram-d2-bot](https://github.com/meinside/telegram-d2-bot)
 - **Postgres importer**: [https://github.com/zekenie/d2-erd-from-postgres](https://github.com/zekenie/d2-erd-from-postgres)
 - **Structurizr to D2 exporter**: [https://github.com/goto1134/structurizr-d2-exporter](https://github.com/goto1134/structurizr-d2-exporter)
+- **MdBook preprocessor**: [https://github.com/danieleades/mdbook-d2](https://github.com/danieleades/mdbook-d2)
 
 ### Misc