diff --git a/colophon/index.html b/colophon/index.html
index 0eae324a..706b2514 100644
--- a/colophon/index.html
+++ b/colophon/index.html
@@ -244,6 +244,13 @@ <h2>Host and Domain</h2>
 <li>Deployed to GitHub Pages</li>
 <li>The domain name, <code>helenchong.dev</code>, was purchased from, registered on, and is managed by <a href="https://porkbun.com/">Porkbun</a></li>
 </ul>
+<h2>Plugins</h2>
+<ul>
+<li>Eleventy's official <a href="https://www.11ty.dev/docs/plugins/image/">Image</a> plugin</li>
+<li>Eleventy's official <a href="https://www.11ty.dev/docs/plugins/rss/">RSS</a> plugin</li>
+<li>Eleventy's official <a href="https://www.11ty.dev/docs/plugins/navigation/">Navigation</a> plugin</li>
+<li>Eleventy's official <a href="https://www.11ty.dev/docs/plugins/syntaxhighlight/">Syntax Highlighting</a> plugin</li>
+</ul>
 <h3>Eleventy Community Plugins</h3>
 <ul>
 <li><a href="https://11ty.rocks/#plugin-emoji-read-time">Emoji Read Time Eleventy Plugin</a></li>