diff --git a/doc/users.html b/doc/users.html
index 7cbdda97..03a57c5a 100644
--- a/doc/users.html
+++ b/doc/users.html
@@ -40,6 +40,7 @@ or form.</p>
   <li><a href="http://www.vrjuggler.org/">VR Juggler: Virtual Reality Tools</a></li>
   <li><a href="http://hyperworx.org">Hyperworx Platform Project</a></li>
   <li><a href="http://www.opencog.org/">OpenCog, an open source Artificial General Intelligence framework</a></li>
+  <li><a href="https://www.pgRouting.org/">pgRouting extends the PostGIS/PostgreSQL geospatial database to provide geospatial routing functionality.</a></li>
 </ul>
 
 </body>