diff --git a/layouts/index.html b/layouts/index.html
index 248b49f..bb88c9a 100644
--- a/layouts/index.html
+++ b/layouts/index.html
@@ -1243,6 +1243,7 @@ <h3 id="signed-by">{{ T "topic08p06" | safeHTML}}</h3>
       <li>Mikey Ilagan, Accessibility Specialist and Product Manager</li>
       <li>Bri Norton, Co-chair, OZeWAI.org</li>
       <li>Eliseo Sciarretta, Web Accessibility Expert, Axess Design</li>
+      <li>SHIBATA Nobufumi, jidaikobo</li>
     </ol>
     <p>
       <a class="add-your-name" href="https://github.com/karlgroves/overlayfactsheet/#endorse-this-statement">