diff --git a/doc/arm/notes.xml b/doc/arm/notes.xml
index b531f89f2a..bf9463f9dc 100644
--- a/doc/arm/notes.xml
+++ b/doc/arm/notes.xml
@@ -7,7 +7,7 @@
 <!ENTITY mdash "&#8212;">
 <!ENTITY ouml "&#xf6;">]>
 <!--
- - Copyright (C) 2014-2017  Internet Systems Consortium, Inc. ("ISC")
+ - Copyright (C) 2014-2018  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/resolver.c b/lib/dns/resolver.c
index 77312a85b0..ecff2dda32 100644
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1999-2017  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2018  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/validator.c b/lib/dns/validator.c
index 463edb1ce2..1c5ce1ef1d 100644
--- a/lib/dns/validator.c
+++ b/lib/dns/validator.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2000-2017  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000-2018  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/mem.c b/lib/isc/mem.c
index e14e4597a1..c0e1c5e264 100644
--- a/lib/isc/mem.c
+++ b/lib/isc/mem.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1997-2010, 2012-2017  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1997-2010, 2012-2018  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