diff --git a/lib/isc/include/isc/lex.h b/lib/isc/include/isc/lex.h
index f78bdb20d8..161d47337e 100644
--- a/lib/isc/include/isc/lex.h
+++ b/lib/isc/include/isc/lex.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1998-2002, 2004, 2005, 2007, 2008, 2015, 2016  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998-2002, 2004, 2005, 2007, 2008, 2015-2017  Internet Systems Consortium, Inc. ("ISC")
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/lib/isc/lex.c b/lib/isc/lex.c
index bf7c0dde77..76850416ec 100644
--- a/lib/isc/lex.c
+++ b/lib/isc/lex.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1998-2005, 2007, 2013-2016  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998-2005, 2007, 2013-2017  Internet Systems Consortium, Inc. ("ISC")
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this