diff --git a/src/arp.c b/src/arp.c
index 8a809d1..71952a7 100644
--- a/src/arp.c
+++ b/src/arp.c
@@ -1,6 +1,6 @@
 /* arp.c - arp ping checking
  *
- * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2017 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 25966ca..05d2235 100644
--- a/src/arp.h
+++ b/src/arp.h
@@ -1,6 +1,6 @@
 /* arp.h - functions to call the interface change daemon
  *
- * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2017 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 76f0db0..0f6e665 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -1,6 +1,6 @@
 /* dhcp.c - general DHCP protocol handling
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 6ce8211..aa36d68 100644
--- a/src/dhcp.h
+++ b/src/dhcp.h
@@ -1,6 +1,6 @@
 /* dhcp.h - general DHCP protocol handling
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 d1ed3af..4e97ec5 100644
--- a/src/duiaid.c
+++ b/src/duiaid.c
@@ -1,6 +1,6 @@
 /* duiaid.c - DUID/IAID storage and generation for clientids
  *
- * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2017 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 4ba5f96..5b22d44 100644
--- a/src/duiaid.h
+++ b/src/duiaid.h
@@ -1,6 +1,6 @@
 /* duiaid.h - DUID/IAID storage and generation for clientids
  *
- * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2017 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 ad8c867..98106e4 100644
--- a/src/ifchange.c
+++ b/src/ifchange.c
@@ -1,6 +1,6 @@
 /* ifchange.c - functions to call the interface change daemon
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 d1259b7..f909fe8 100644
--- a/src/ifchange.h
+++ b/src/ifchange.h
@@ -1,6 +1,6 @@
 /* ifchange.h - functions to call the interface change daemon
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 82d26a6..39adcb6 100644
--- a/src/ifchd-parse.h
+++ b/src/ifchd-parse.h
@@ -1,6 +1,6 @@
 /* ifchd-parse.h - interface change daemon parser
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 0bea7de..0f7e53c 100644
--- a/src/ifchd-parse.rl
+++ b/src/ifchd-parse.rl
@@ -1,6 +1,6 @@
 /* ifchd-parse.rl - interface change daemon parser
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 b6062ae..8467410 100644
--- a/src/ifchd.c
+++ b/src/ifchd.c
@@ -1,6 +1,6 @@
 /* ifchd.c - interface change daemon
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 e4c2926..c29fa7f 100644
--- a/src/ifset.c
+++ b/src/ifset.c
@@ -1,6 +1,6 @@
 /* ifset.c - Linux-specific net interface settings include
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 49d807f..ecdc44d 100644
--- a/src/ifset.h
+++ b/src/ifset.h
@@ -1,6 +1,6 @@
 /* ifset.h - Linux-specific net interface settings include
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 aba5a4b..75e7611 100644
--- a/src/leasefile.c
+++ b/src/leasefile.c
@@ -1,6 +1,6 @@
 /* leasefile.c - functions for writing the lease file
  *
- * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 294feba..c364337 100644
--- a/src/leasefile.h
+++ b/src/leasefile.h
@@ -1,6 +1,6 @@
 /* leasefile.h - functions for writing the lease file
  *
- * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 46f9c0c..3ae5528 100644
--- a/src/ndhc.c
+++ b/src/ndhc.c
@@ -1,6 +1,6 @@
 /* ndhc.c - DHCP client
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -100,7 +100,7 @@ void set_client_addr(const char v[static 1]) { cs.clientAddr = inet_addr(v); }
 void print_version(void)
 {
     printf("ndhc %s, dhcp client.\n", NDHC_VERSION);
-    printf("Copyright (c) 2004-2015 Nicholas J. Kain\n"
+    printf("Copyright (c) 2004-2017 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"
@@ -127,7 +127,7 @@ void show_usage(void)
 {
     printf(
 "ndhc " NDHC_VERSION ", dhcp client.  Licensed under 2-clause BSD.\n"
-"Copyright (C) 2004-2015 Nicholas J. Kain\n"
+"Copyright (C) 2004-2017 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 3f70ac1..ab7ccb9 100644
--- a/src/ndhc.h
+++ b/src/ndhc.h
@@ -1,6 +1,6 @@
 /* ndhc.h - DHCP client
  *
- * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2017 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 4b72c87..e12f1bf 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) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 3d78021..5d42dac 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) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 0f029b7..c84fd4d 100644
--- a/src/nl.c
+++ b/src/nl.c
@@ -1,6 +1,6 @@
 /* nl.c - low level netlink protocol functions
  *
- * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 0a742f9..a17ce36 100644
--- a/src/nl.h
+++ b/src/nl.h
@@ -1,6 +1,6 @@
 /* nl.h - low level netlink protocol functions
  *
- * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 42c40ec..ab663c7 100644
--- a/src/options.c
+++ b/src/options.c
@@ -1,6 +1,6 @@
 /* options.c - DHCP options handling
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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 6c51419..17ec2c9 100644
--- a/src/options.h
+++ b/src/options.h
@@ -1,6 +1,6 @@
 /* options.h - DHCP options handling
  *
- * Copyright (c) 2004-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2004-2017 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/rfkill.c b/src/rfkill.c
index b12cebf..421fec2 100644
--- a/src/rfkill.c
+++ b/src/rfkill.c
@@ -1,6 +1,6 @@
 /* rfkill.c - rfkill interface and handling
  *
- * Copyright (c) 2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2015-2017 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/rfkill.h b/src/rfkill.h
index 29fdfac..e322234 100644
--- a/src/rfkill.h
+++ b/src/rfkill.h
@@ -2,7 +2,7 @@
 #define NDHC_RFKILL_H_
 /* rfkill.h - rfkill interface and handling
  *
- * Copyright (c) 2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2015-2017 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 f896f1d..6157728 100644
--- a/src/seccomp.c
+++ b/src/seccomp.c
@@ -1,6 +1,6 @@
 /* seccomp.h - seccomp syscall filters for ndhc
  *
- * Copyright (c) 2012-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2012-2017 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 c4b019b..0adb7cd 100644
--- a/src/seccomp.h
+++ b/src/seccomp.h
@@ -1,6 +1,6 @@
 /* seccomp.h - seccomp syscall filters for ndhc
  *
- * Copyright (c) 2012-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2012-2017 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 e6472de..f88223a 100644
--- a/src/sockd.c
+++ b/src/sockd.c
@@ -1,6 +1,6 @@
 /* sockd.c - privsep socket creation daemon
  *
- * Copyright (c) 2014-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2014-2017 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 b5424fa..d1e3d8d 100644
--- a/src/state.c
+++ b/src/state.c
@@ -1,6 +1,6 @@
 /* state.c - high level DHCP state machine
  *
- * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 b5c8bb4..91d8919 100644
--- a/src/state.h
+++ b/src/state.h
@@ -1,6 +1,6 @@
 /* state.h - high level DHCP state machine
  *
- * Copyright (c) 2011-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2011-2017 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 728b54a..b7350c4 100644
--- a/src/sys.c
+++ b/src/sys.c
@@ -1,6 +1,6 @@
 /* sys.c - linux-specific signal and epoll functions
  *
- * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2017 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 b3bc685..25e572f 100644
--- a/src/sys.h
+++ b/src/sys.h
@@ -1,6 +1,6 @@
 /* sys.h - linux-specific signal and epoll functions
  *
- * Copyright (c) 2010-2015 Nicholas J. Kain <njkain at gmail dot com>
+ * Copyright (c) 2010-2017 Nicholas J. Kain <njkain at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without