diff --git a/util/copyrights b/util/copyrights
index a3ab2b0cb2fa7bbff29023fd338ab2ca1a806094..d41710ab9b249cc2c1fc521d65533f2609a8a9b3 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -2900,8 +2900,8 @@
 ./doc/misc/roadmap				TXT.BRIEF	2000,2001,2004
 ./doc/misc/sdb					TXT.BRIEF	2000,2001,2004
 ./doc/misc/sort-options.pl			PERL	2007,2012
-./doc/xsl/.gitignore				X	2012,2014
-./doc/xsl/Makefile.in				MAKE	2005,2007,2012,2014
+./doc/xsl/.gitignore				X	2012,2014,2015
+./doc/xsl/Makefile.in				MAKE	2005,2007,2012,2014,2015
 ./doc/xsl/copyright.xsl				SGML	2005,2007,2009
 ./doc/xsl/isc-docbook-chunk.xsl.in		SGML	2005,2007,2014
 ./doc/xsl/isc-docbook-html.xsl.in		SGML	2005,2007,2014