diff --git a/util/copyrights b/util/copyrights
index 334d628d07..4753db1496 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -4092,7 +4092,7 @@
 ./lib/isc/include/isc/iterated_hash.h		C	2008,2014,2016
 ./lib/isc/include/isc/json.h			C	2013,2015,2016
 ./lib/isc/include/isc/lang.h			C	1999,2000,2001,2004,2005,2006,2007,2016
-./lib/isc/include/isc/lex.h			C	1998,1999,2000,2001,2002,2004,2005,2007,2008,2015,2016
+./lib/isc/include/isc/lex.h			C	1998,1999,2000,2001,2002,2004,2005,2007,2008,2015,2016,2017
 ./lib/isc/include/isc/lfsr.h			C	1999,2000,2001,2004,2005,2006,2007,2016
 ./lib/isc/include/isc/lib.h			C	1999,2000,2001,2004,2005,2006,2007,2009,2016
 ./lib/isc/include/isc/list.h			C	1997,1998,1999,2000,2001,2002,2004,2006,2007,2011,2012,2013,2016
@@ -4159,7 +4159,7 @@
 ./lib/isc/inet_ntop.c				C	1996,1997,1998,1999,2000,2001,2004,2005,2007,2009,2016
 ./lib/isc/inet_pton.c				C	1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2007,2013,2014,2016
 ./lib/isc/iterated_hash.c			C	2006,2008,2009,2016
-./lib/isc/lex.c					C	1998,1999,2000,2001,2002,2003,2004,2005,2007,2013,2014,2015,2016
+./lib/isc/lex.c					C	1998,1999,2000,2001,2002,2003,2004,2005,2007,2013,2014,2015,2016,2017
 ./lib/isc/lfsr.c				C	1999,2000,2001,2002,2004,2005,2007,2016
 ./lib/isc/lib.c					C	1999,2000,2001,2004,2005,2007,2009,2013,2014,2015,2016
 ./lib/isc/log.c					C	1999,2000,2001,2002,2003,2004,2005,2006,2007,2009,2011,2012,2013,2014,2016,2017