diff --git a/lib/dns/opensslecdsa_link.c b/lib/dns/opensslecdsa_link.c
index 20fa07685e..c3f5061b75 100644
--- a/lib/dns/opensslecdsa_link.c
+++ b/lib/dns/opensslecdsa_link.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2012, 2013  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
diff --git a/lib/dns/ssu.c b/lib/dns/ssu.c
index 189c597eb6..49a777a644 100644
--- a/lib/dns/ssu.c
+++ b/lib/dns/ssu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010, 2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008, 2010, 2011, 2013  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
diff --git a/lib/dns/xfrin.c b/lib/dns/xfrin.c
index 0c4c2e9252..66e3fae329 100644
--- a/lib/dns/xfrin.c
+++ b/lib/dns/xfrin.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008, 2011-2013  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/isc/symtab.c b/lib/isc/symtab.c
index 8cebb97840..1f294fb9c0 100644
--- a/lib/isc/symtab.c
+++ b/lib/isc/symtab.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2011-2013  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1996-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
diff --git a/lib/isc/taskpool.c b/lib/isc/taskpool.c
index 8d6cdaa0e0..a5ce0e8514 100644
--- a/lib/isc/taskpool.c
+++ b/lib/isc/taskpool.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2011-2013  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any