diff --git a/util/copyrights b/util/copyrights
index a2fd048e4e..83d98ba02a 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -191,7 +191,7 @@
 ./bin/named/lwderror.c				C	2000,2001,2004,2005,2007
 ./bin/named/lwdgabn.c				C	2000,2001,2004,2005,2006,2007,2009
 ./bin/named/lwdgnba.c				C	2000,2001,2002,2004,2005,2007,2008
-./bin/named/lwdgrbn.c				C	2000,2001,2003,2004,2005,2006,2007,2009
+./bin/named/lwdgrbn.c				C	2000,2001,2003,2004,2005,2006,2007,2009,2013
 ./bin/named/lwdnoop.c				C	2000,2001,2004,2005,2007,2008
 ./bin/named/lwresd.8				MAN	DOCBOOK
 ./bin/named/lwresd.c				C	2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2012