diff --git a/frcal/public/index.html b/frcal/public/index.html
index e99a432..6946d31 100644
--- a/frcal/public/index.html
+++ b/frcal/public/index.html
@@ -37,6 +37,9 @@
                 <li class="nav-item">
                     <a class="nav-link" href="https://jcal.qt.ax">Julian Calendar</a>
                 </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="https://gcal.qt.ax">Gregorian Calendar</a>
+                </li>
             </ul>
         </div>
     </div>
diff --git a/jcal/public/index.html b/jcal/public/index.html
index 2e35f53..382a833 100644
--- a/jcal/public/index.html
+++ b/jcal/public/index.html
@@ -39,6 +39,9 @@
                 <li class="nav-item">
                     <a class="nav-link" href="https://frcal.qt.ax">French Republican Calendar</a>
                 </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="https://gcal.qt.ax">Gregorian Calendar</a>
+                </li>
             </ul>
         </div>
     </div>