diff --git a/docs/showcase.md b/docs/showcase.md
index 9cff3a5f7..792c65b02 100644
--- a/docs/showcase.md
+++ b/docs/showcase.md
@@ -29,5 +29,6 @@ Want to see what Quartz can do? Here are some cool community gardens:
 - [🥷🏻🌳🍃 Computer Science & Thinkering Garden](https://notes.yxy.ninja)
 - [A Pattern Language - Christopher Alexander (Architecture)](https://patternlanguage.cc/)
 - [Gatekeeper Wiki](https://www.gatekeeper.wiki)
+- [🌵OldMartijntje's Basement](https://docs.oldmartijntje.nl/)
 
 If you want to see your own on here, submit a [Pull Request adding yourself to this file](https://github.com/jackyzha0/quartz/blob/v4/docs/showcase.md)!