diff --git a/doc/guide/kea-guide.xml b/doc/guide/kea-guide.xml
index 40ce27fdb9..d43e07c0a1 100644
--- a/doc/guide/kea-guide.xml
+++ b/doc/guide/kea-guide.xml
@@ -31,7 +31,7 @@
     <releaseinfo>This is the reference guide for Kea version &keaversion;.</releaseinfo>
 
     <copyright>
-      <year>2010-2018</year>
+      <year>2010-2019</year>
       <holder>Internet Systems Consortium, Inc. ("ISC")</holder>
     </copyright>