Updated copyright date
diff --git a/src/site/doxy/footer.html b/src/site/doxy/footer.html
index 2639b9a..a4d852a 100644
--- a/src/site/doxy/footer.html
+++ b/src/site/doxy/footer.html
@@ -8,7 +8,7 @@
     <a href="http://www.doxygen.org/index.html">
     <img class="footer" src="$relpath^doxygen.png" alt="doxygen"/></a> $doxygenversion </li>
     <li class="center">
-Copyright &copy; 2003-2020 <a href="https://www.apache.org/">Apache Software Foundation</a>. All Rights Reserved. <br/>
+Copyright &copy; 2003-2021 <a href="https://www.apache.org/">Apache Software Foundation</a>. All Rights Reserved. <br/>
 Apache Logging, Apache Log4j, Log4j, Apache, the Apache feather logo, and the Apache Logging project logo are trademarks of The Apache Software Foundation.
     </li>
   </ul>