diff --git a/docs/about/resume.html b/docs/about/resume.html
index cea3f42..883f8e1 100644
--- a/docs/about/resume.html
+++ b/docs/about/resume.html
@@ -327,6 +327,20 @@
             </ul>
             </dd>
 
+            <dt><a href="https://gnu.org/s/guix">GNU Guix</a></dt>
+            <dd class="period">October 2016&ndash;Present</dd>
+            <dd class="type">Contributor</dd>
+            <dd class="desc">
+              Improvements to <tt>guix environment</tt> container
+              support; package contributions.
+            </dd>
+            <dd class="desc">
+            <ul class="lang detail-list">
+                <li>Guile Scheme</li>
+                <li>Shell</li>
+            </ul>
+            </dd>
+
             <dt><a href="https://gnu.org/s/screen">GNU Screen</a></dt>
             <dd class="period">November 2013&ndash;July 2015</dd>
             <dd class="type">Contributor</dd>