diff --git a/lib/dns/dlz.c b/lib/dns/dlz.c
index fbd4f0c0a1..19c600c941 100644
--- a/lib/dns/dlz.c
+++ b/lib/dns/dlz.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2005, 2007, 2009-2012  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2005, 2007, 2009-2013  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 861f4b2c54..56053f5d71 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2013  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
diff --git a/lib/dns/tkey.c b/lib/dns/tkey.c
index 7719db1808..161c18808e 100644
--- a/lib/dns/tkey.c
+++ b/lib/dns/tkey.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2013  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any