diff --git a/docs/extensions/listings/shortcodes-and-filters.yml b/docs/extensions/listings/shortcodes-and-filters.yml
index ca7cdae05..6c0422ef5 100644
--- a/docs/extensions/listings/shortcodes-and-filters.yml
+++ b/docs/extensions/listings/shortcodes-and-filters.yml
@@ -150,6 +150,12 @@
     Filter that provides global options to make the [`Callout Blocks`](https://quarto.org/docs/authoring/callouts.html)
     [`collapsible`](https://quarto.org/docs/authoring/callouts.html#collapse) in HTML documents
 
+- name: collapse-output
+  path: https://github.com/mcanouil/collapse-output
+  author: '[Mickaël CANOUIL](https://github.com/mcanouil)'
+  description: >
+    A Quarto extension that provides the ability to collapse code cell outputs in HTML documents using collapsible `<details>` elements.
+
 - name: collapse-social-embeds
   path: https://github.com/shafayetShafee/collapse-social-embeds
   author: '[Shafayet Khan Shafee](https://github.com/shafayetShafee)'