diff --git a/doc/pdfviewer.xml.in b/doc/pdfviewer.xml.in
index 2a88217..31e6406 100644
--- a/doc/pdfviewer.xml.in
+++ b/doc/pdfviewer.xml.in
@@ -29,6 +29,9 @@
 		</authorgroup>
 		<copyright>
 			<year>2013</year>
+			<year>2014</year>
+			<year>2015</year>
+			<year>2016</year>
 			<holder>&firstname; &surname; &lt;&email;&gt;</holder>
 		</copyright>
 		<legalnotice>