diff --git a/bin/tests/system/mkeys/tests.sh b/bin/tests/system/mkeys/tests.sh
index 797821445d..e103794eb5 100644
--- a/bin/tests/system/mkeys/tests.sh
+++ b/bin/tests/system/mkeys/tests.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# 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/lib/dns/dnssec.c b/lib/dns/dnssec.c
index 2f3d23b5d2..a27f61bf16 100644
--- a/lib/dns/dnssec.c
+++ b/lib/dns/dnssec.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1999-2016  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2017  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/dns/tsig.c b/lib/dns/tsig.c
index dd4ce1ec3b..4b662ddff6 100644
--- a/lib/dns/tsig.c
+++ b/lib/dns/tsig.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1999-2002, 2004-2016  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2002, 2004-2017  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