diff --git a/bin/tests/system/mkeys/ns1/root.db b/bin/tests/system/mkeys/ns1/root.db
index 1d12a834f1..3450c6d2d1 100644
--- a/bin/tests/system/mkeys/ns1/root.db
+++ b/bin/tests/system/mkeys/ns1/root.db
@@ -1,4 +1,4 @@
-; Copyright (C) 2015, 2016  Internet Systems Consortium, Inc. ("ISC")
+; Copyright (C) 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/bin/tests/system/mkeys/ns3/named.conf b/bin/tests/system/mkeys/ns3/named.conf
index d6d033900e..5e95d515e2 100644
--- a/bin/tests/system/mkeys/ns3/named.conf
+++ b/bin/tests/system/mkeys/ns3/named.conf
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015, 2016  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 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