diff --git a/LICENSE b/LICENSE
index 850bfbf..1bd1af8 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/src/arp.c b/src/arp.c
index 2c11cf3..466cafa 100644
--- a/src/arp.c
+++ b/src/arp.c
@@ -1,6 +1,6 @@
 /* arp.c - arp ping checking
  *
- * Copyright (c) 2010-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/arp.h b/src/arp.h
index 0c5dfa4..9e3cbdd 100644
--- a/src/arp.h
+++ b/src/arp.h
@@ -1,6 +1,6 @@
 /* arp.h - functions to call the interface change daemon
  *
- * Copyright (c) 2010-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/dhcp.c b/src/dhcp.c
index 66036e2..13e7f13 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -1,6 +1,6 @@
 /* dhcp.c - general DHCP protocol handling
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/dhcp.h b/src/dhcp.h
index 6fbabb2..50e54cc 100644
--- a/src/dhcp.h
+++ b/src/dhcp.h
@@ -1,6 +1,6 @@
 /* dhcp.h - general DHCP protocol handling
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/duiaid.c b/src/duiaid.c
index 4ecbb28..33ce6ff 100644
--- a/src/duiaid.c
+++ b/src/duiaid.c
@@ -1,6 +1,6 @@
 /* duiaid.c - DUID/IAID storage and generation for clientids
  *
- * Copyright (c) 2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/duiaid.h b/src/duiaid.h
index 7447522..1e17dc1 100644
--- a/src/duiaid.h
+++ b/src/duiaid.h
@@ -1,6 +1,6 @@
 /* duiaid.h - DUID/IAID storage and generation for clientids
  *
- * Copyright (c) 2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifchange.c b/src/ifchange.c
index a1d7f03..4456aff 100644
--- a/src/ifchange.c
+++ b/src/ifchange.c
@@ -1,6 +1,6 @@
 /* ifchange.c - functions to call the interface change daemon
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifchange.h b/src/ifchange.h
index 6126bae..e7c895f 100644
--- a/src/ifchange.h
+++ b/src/ifchange.h
@@ -1,6 +1,6 @@
 /* ifchange.h - functions to call the interface change daemon
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifchd-parse.h b/src/ifchd-parse.h
index 276d091..58f1626 100644
--- a/src/ifchd-parse.h
+++ b/src/ifchd-parse.h
@@ -1,6 +1,6 @@
 /* ifchd-parse.h - interface change daemon parser
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifchd-parse.rl b/src/ifchd-parse.rl
index 3d9253b..bb5cb3a 100644
--- a/src/ifchd-parse.rl
+++ b/src/ifchd-parse.rl
@@ -1,6 +1,6 @@
 /* ifchd-parse.rl - interface change daemon parser
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifchd.c b/src/ifchd.c
index eed33f5..b2f3baf 100644
--- a/src/ifchd.c
+++ b/src/ifchd.c
@@ -1,6 +1,6 @@
 /* ifchd.c - interface change daemon
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifset.c b/src/ifset.c
index ba1a220..fc98f87 100644
--- a/src/ifset.c
+++ b/src/ifset.c
@@ -1,6 +1,6 @@
 /* ifset.c - Linux-specific net interface settings include
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ifset.h b/src/ifset.h
index 783c418..53f1730 100644
--- a/src/ifset.h
+++ b/src/ifset.h
@@ -1,6 +1,6 @@
 /* ifset.h - Linux-specific net interface settings include
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/leasefile.c b/src/leasefile.c
index a609e2e..aba5a4b 100644
--- a/src/leasefile.c
+++ b/src/leasefile.c
@@ -1,6 +1,6 @@
 /* leasefile.c - functions for writing the lease file
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/leasefile.h b/src/leasefile.h
index 38904f8..294feba 100644
--- a/src/leasefile.h
+++ b/src/leasefile.h
@@ -1,6 +1,6 @@
 /* leasefile.h - functions for writing the lease file
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/ndhc.c b/src/ndhc.c
index 2c4b6c6..1bec61a 100644
--- a/src/ndhc.c
+++ b/src/ndhc.c
@@ -1,6 +1,6 @@
 /* ndhc.c - DHCP client
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -99,7 +99,7 @@ void set_client_addr(const char *v) { cs.clientAddr = inet_addr(v); }
 void print_version(void)
 {
     printf("ndhc %s, dhcp client.\n", NDHC_VERSION);
-    printf("Copyright (c) 2004-2014 Nicholas J. Kain\n"
+    printf("Copyright (c) 2004-2015 Nicholas J. Kain\n"
            "All rights reserved.\n\n"
            "Redistribution and use in source and binary forms, with or without\n"
            "modification, are permitted provided that the following conditions are met:\n\n"
@@ -126,7 +126,7 @@ void show_usage(void)
 {
     printf(
 "ndhc " NDHC_VERSION ", dhcp client.  Licensed under 2-clause BSD.\n"
-"Copyright (C) 2004-2014 Nicholas J. Kain\n"
+"Copyright (C) 2004-2015 Nicholas J. Kain\n"
 "Usage: ndhc [OPTIONS]\n\n"
 "  -c, --config=FILE               Path to ndhc configuration file\n"
 "  -I, --clientid=CLIENTID         Client identifier\n"
diff --git a/src/ndhc.h b/src/ndhc.h
index 660978f..017c0f7 100644
--- a/src/ndhc.h
+++ b/src/ndhc.h
@@ -1,6 +1,6 @@
 /* ndhc.h - DHCP client
  *
- * Copyright (c) 2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/netlink.c b/src/netlink.c
index 1a1cca5..f2ab2a3 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -1,6 +1,6 @@
 /* netlink.c - netlink physical link notification handling and info retrieval
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/netlink.h b/src/netlink.h
index c7f4c85..40fdd6a 100644
--- a/src/netlink.h
+++ b/src/netlink.h
@@ -1,6 +1,6 @@
 /* netlink.h - netlink physical link notification handling and info retrieval
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/nl.c b/src/nl.c
index b45be75..d67248a 100644
--- a/src/nl.c
+++ b/src/nl.c
@@ -1,6 +1,6 @@
 /* nl.c - low level netlink protocol functions
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/nl.h b/src/nl.h
index 640625d..2e6b8f8 100644
--- a/src/nl.h
+++ b/src/nl.h
@@ -1,6 +1,6 @@
 /* nl.h - low level netlink protocol functions
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/options.c b/src/options.c
index 46b06fc..3be8961 100644
--- a/src/options.c
+++ b/src/options.c
@@ -1,6 +1,6 @@
 /* options.c - DHCP options handling
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/options.h b/src/options.h
index 0db0384..c13e28b 100644
--- a/src/options.h
+++ b/src/options.h
@@ -1,6 +1,6 @@
 /* options.h - DHCP options handling
  *
- * Copyright (c) 2004-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/seccomp.c b/src/seccomp.c
index c22db3d..f896f1d 100644
--- a/src/seccomp.c
+++ b/src/seccomp.c
@@ -1,6 +1,6 @@
 /* seccomp.h - seccomp syscall filters for ndhc
  *
- * Copyright (c) 2012-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2012-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/seccomp.h b/src/seccomp.h
index 6c8e7c2..c4b019b 100644
--- a/src/seccomp.h
+++ b/src/seccomp.h
@@ -1,6 +1,6 @@
 /* seccomp.h - seccomp syscall filters for ndhc
  *
- * Copyright (c) 2012-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2012-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/sockd.c b/src/sockd.c
index 31b1be2..71f360e 100644
--- a/src/sockd.c
+++ b/src/sockd.c
@@ -1,6 +1,6 @@
 /* sockd.c - privsep socket creation daemon
  *
- * Copyright (c) 2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/state.c b/src/state.c
index 43129d5..3bf1df7 100644
--- a/src/state.c
+++ b/src/state.c
@@ -1,6 +1,6 @@
 /* state.c - high level DHCP state machine
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/state.h b/src/state.h
index c16247f..b0144e9 100644
--- a/src/state.h
+++ b/src/state.h
@@ -1,6 +1,6 @@
 /* state.h - high level DHCP state machine
  *
- * Copyright (c) 2011-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/sys.c b/src/sys.c
index d66e046..c9d74e1 100644
--- a/src/sys.c
+++ b/src/sys.c
@@ -1,6 +1,6 @@
 /* sys.c - linux-specific signal and epoll functions
  *
- * Copyright (c) 2010-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/sys.h b/src/sys.h
index 2ff2d59..b88cdbc 100644
--- a/src/sys.h
+++ b/src/sys.h
@@ -1,6 +1,6 @@
 /* sys.h - linux-specific signal and epoll functions
  *
- * Copyright (c) 2010-2014 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without