diff --git a/util/copyrights b/util/copyrights
index d183095cf8..eeaf2ccfa4 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -3122,7 +3122,7 @@
 ./lib/dns/include/dns/version.h			C	2001,2004,2005,2006,2007,2012,2013
 ./lib/dns/include/dns/view.h			C	1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015
 ./lib/dns/include/dns/xfrin.h			C	1999,2000,2001,2003,2004,2005,2006,2007,2009,2013
-./lib/dns/include/dns/zone.h			C	1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014
+./lib/dns/include/dns/zone.h			C	1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015
 ./lib/dns/include/dns/zonekey.h			C	2001,2004,2005,2006,2007
 ./lib/dns/include/dns/zt.h			C	1999,2000,2001,2002,2004,2005,2006,2007,2011
 ./lib/dns/include/dst/Makefile.in		MAKE	1998,1999,2000,2001,2004,2007,2012