diff --git a/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html b/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html
index 3a5672093d..d658528368 100644
--- a/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html
+++ b/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html
@@ -65,7 +65,7 @@
           {% elif show_source and has_source and sourcename %}
             <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> {{ _('View page source') }}</a>
           {% endif %}
-          <a href="http://lammps.sandia.gov">Website</a>
+          <a href="https://www.lammps.org">Website</a>
           <a href="Commands_all.html">Commands</a>
         {% endif %}
       </li>