diff --git a/LICENSE b/LICENSE
index 8596fab..1b8b73b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,5 +1,5 @@
 
-Copyright (c) 2014-2016, Cristian Maglie.
+Copyright (c) 2014-2020, Cristian Maglie.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/doc.go b/doc.go
index b6a70e9..71993f8 100644
--- a/doc.go
+++ b/doc.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/doc.go b/enumerator/doc.go
index d214715..7ffa75d 100644
--- a/enumerator/doc.go
+++ b/enumerator/doc.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/enumerator.go b/enumerator/enumerator.go
index 3dbc197..ba33f3d 100644
--- a/enumerator/enumerator.go
+++ b/enumerator/enumerator.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/example_getdetailedportlist_test.go b/enumerator/example_getdetailedportlist_test.go
index 18c7738..fb6c9a1 100644
--- a/enumerator/example_getdetailedportlist_test.go
+++ b/enumerator/example_getdetailedportlist_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_darwin.go b/enumerator/usb_darwin.go
index 4fcd4dc..4709137 100644
--- a/enumerator/usb_darwin.go
+++ b/enumerator/usb_darwin.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_darwin_go1.9.go b/enumerator/usb_darwin_go1.9.go
index 442278d..26f842e 100644
--- a/enumerator/usb_darwin_go1.9.go
+++ b/enumerator/usb_darwin_go1.9.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_freebsd.go b/enumerator/usb_freebsd.go
index d60d13f..460f000 100644
--- a/enumerator/usb_freebsd.go
+++ b/enumerator/usb_freebsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_linux.go b/enumerator/usb_linux.go
index d2aca90..b67ca95 100644
--- a/enumerator/usb_linux.go
+++ b/enumerator/usb_linux.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_ole_windows.go b/enumerator/usb_ole_windows.go
index bbc0435..9df6cdf 100644
--- a/enumerator/usb_ole_windows.go
+++ b/enumerator/usb_ole_windows.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Lars Knudsen, Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Lars Knudsen, Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_windows.go b/enumerator/usb_windows.go
index 12ded68..e9fd0d8 100644
--- a/enumerator/usb_windows.go
+++ b/enumerator/usb_windows.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/enumerator/usb_windows_test.go b/enumerator/usb_windows_test.go
index 853c1a2..c227270 100644
--- a/enumerator/usb_windows_test.go
+++ b/enumerator/usb_windows_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/example_getportlist_test.go b/example_getportlist_test.go
index c8cb35b..4a9a13c 100644
--- a/example_getportlist_test.go
+++ b/example_getportlist_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/example_modem_bits_test.go b/example_modem_bits_test.go
index 9ae3389..9f1bb27 100644
--- a/example_modem_bits_test.go
+++ b/example_modem_bits_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/example_serialport_test.go b/example_serialport_test.go
index 6f09659..5a20cd7 100644
--- a/example_serialport_test.go
+++ b/example_serialport_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/example_test.go b/example_test.go
index 4f56978..2648fa0 100644
--- a/example_test.go
+++ b/example_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/portlist/portlist.go b/portlist/portlist.go
index 5d4d127..66b0494 100644
--- a/portlist/portlist.go
+++ b/portlist/portlist.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2018 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial.go b/serial.go
index 46eb521..ea3f873 100644
--- a/serial.go
+++ b/serial.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_darwin.go b/serial_darwin.go
index cfbde8f..aa70675 100644
--- a/serial_darwin.go
+++ b/serial_darwin.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_darwin_386.go b/serial_darwin_386.go
index 9b9e7fd..6522c1f 100644
--- a/serial_darwin_386.go
+++ b/serial_darwin_386.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_darwin_amd64.go b/serial_darwin_amd64.go
index b0b155d..4560692 100644
--- a/serial_darwin_amd64.go
+++ b/serial_darwin_amd64.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_freebsd.go b/serial_freebsd.go
index 4083cd6..fbd2893 100644
--- a/serial_freebsd.go
+++ b/serial_freebsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_linux.go b/serial_linux.go
index e49a847..b0e2f3c 100644
--- a/serial_linux.go
+++ b/serial_linux.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_openbsd.go b/serial_openbsd.go
index f163529..e18e41c 100644
--- a/serial_openbsd.go
+++ b/serial_openbsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_unix.go b/serial_unix.go
index 1cf690f..8cc530e 100644
--- a/serial_unix.go
+++ b/serial_unix.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/serial_windows.go b/serial_windows.go
index 90712d5..0ae145b 100644
--- a/serial_windows.go
+++ b/serial_windows.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/syscall_darwin.go b/syscall_darwin.go
index 670a257..be44e29 100644
--- a/syscall_darwin.go
+++ b/syscall_darwin.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/syscall_freebsd.go b/syscall_freebsd.go
index 670a257..be44e29 100644
--- a/syscall_freebsd.go
+++ b/syscall_freebsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/syscall_linux.go b/syscall_linux.go
index 670a257..be44e29 100644
--- a/syscall_linux.go
+++ b/syscall_linux.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/syscall_openbsd.go b/syscall_openbsd.go
index 670a257..be44e29 100644
--- a/syscall_openbsd.go
+++ b/syscall_openbsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/syscall_windows.go b/syscall_windows.go
index 989a61a..85707f9 100644
--- a/syscall_windows.go
+++ b/syscall_windows.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/unixutils/pipe.go b/unixutils/pipe.go
index 93f3486..8965227 100644
--- a/unixutils/pipe.go
+++ b/unixutils/pipe.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/unixutils/select.go b/unixutils/select.go
index 0bd1d9a..1111473 100644
--- a/unixutils/select.go
+++ b/unixutils/select.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/zsyscall_darwin.go b/zsyscall_darwin.go
index cef1732..a43c08c 100644
--- a/zsyscall_darwin.go
+++ b/zsyscall_darwin.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/zsyscall_freebsd.go b/zsyscall_freebsd.go
index 9e6765d..3a5840c 100644
--- a/zsyscall_freebsd.go
+++ b/zsyscall_freebsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/zsyscall_linux.go b/zsyscall_linux.go
index d93c1fb..d27d0c8 100644
--- a/zsyscall_linux.go
+++ b/zsyscall_linux.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
diff --git a/zsyscall_openbsd.go b/zsyscall_openbsd.go
index 3d8cee4..94291e6 100644
--- a/zsyscall_openbsd.go
+++ b/zsyscall_openbsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2017 Cristian Maglie. All rights reserved.
+// Copyright 2014-2020 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //