diff --git a/docs/extensions/listings/custom-formats.yml b/docs/extensions/listings/custom-formats.yml
index 7e2db991f..a12839c1e 100644
--- a/docs/extensions/listings/custom-formats.yml
+++ b/docs/extensions/listings/custom-formats.yml
@@ -81,3 +81,9 @@
   author: "[George Stagg](https://github.com/georgestagg)"
   description: |
     WebAssembly powered "live" formats for Quarto HTML documents and Revealjs slides, adding interactive code blocks and exercises for R and Python.
+
+- name: clean-typst
+  path: https://github.com/kazuyanagimoto/quarto-clean-typst
+  author: "[Kazuharu Yanagimoto](https://github.com/kazuyanagimoto)"
+  description: |
+    A minimalistic presentation theme for Quarto + Typst by Touying