diff --git a/doc/_layouts/default.html b/doc/_layouts/default.html
index 212ec7f..ebcaffa 100644
--- a/doc/_layouts/default.html
+++ b/doc/_layouts/default.html
@@ -76,7 +76,7 @@
         {{ content | toc }}
         {{ content }}
       </div>
-      <div id='footer'>Copyright &copy; 2007-2016 The Apache Software Foundation</div>
+      <div id='footer'>Copyright &copy; 2007-2020 The Apache Software Foundation</div>
     </div>
   </body>
 </html>