diff --git a/src/chars.c b/src/chars.c
index 74caae19..49b1d5ce 100644
--- a/src/chars.c
+++ b/src/chars.c
@@ -2,7 +2,7 @@
  *   chars.c  --  This file is part of GNU nano.                          *
  *                                                                        *
  *   Copyright (C) 2001-2011, 2013-2021 Free Software Foundation, Inc.    *
- *   Copyright (C) 2016-2020 Benno Schulenberg                            *
+ *   Copyright (C) 2016-2021 Benno Schulenberg                            *
  *                                                                        *
  *   GNU nano is free software: you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published    *
diff --git a/src/color.c b/src/color.c
index dcd98d91..ad46d67f 100644
--- a/src/color.c
+++ b/src/color.c
@@ -2,7 +2,7 @@
  *   color.c  --  This file is part of GNU nano.                          *
  *                                                                        *
  *   Copyright (C) 2001-2011, 2013-2021 Free Software Foundation, Inc.    *
- *   Copyright (C) 2014-2017, 2020 Benno Schulenberg                      *
+ *   Copyright (C) 2014-2017, 2020, 2021 Benno Schulenberg                *
  *                                                                        *
  *   GNU nano is free software: you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published    *
diff --git a/src/files.c b/src/files.c
index a8849045..400cbb10 100644
--- a/src/files.c
+++ b/src/files.c
@@ -2,7 +2,7 @@
  *   files.c  --  This file is part of GNU nano.                          *
  *                                                                        *
  *   Copyright (C) 1999-2011, 2013-2021 Free Software Foundation, Inc.    *
- *   Copyright (C) 2015-2020 Benno Schulenberg                            *
+ *   Copyright (C) 2015-2021 Benno Schulenberg                            *
  *                                                                        *
  *   GNU nano is free software: you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published    *
diff --git a/src/nano.c b/src/nano.c
index 4e24b753..14f71e50 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -2,7 +2,7 @@
  *   nano.c  --  This file is part of GNU nano.                           *
  *                                                                        *
  *   Copyright (C) 1999-2011, 2013-2021 Free Software Foundation, Inc.    *
- *   Copyright (C) 2014-2020 Benno Schulenberg                            *
+ *   Copyright (C) 2014-2021 Benno Schulenberg                            *
  *                                                                        *
  *   GNU nano is free software: you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published    *
diff --git a/src/text.c b/src/text.c
index 3beed683..726f2566 100644
--- a/src/text.c
+++ b/src/text.c
@@ -6,7 +6,7 @@
  *   Copyright (C) 2016 Mike Scalora                                      *
  *   Copyright (C) 2016 Sumedh Pendurkar                                  *
  *   Copyright (C) 2018 Marco Diego Aurélio Mesquita                      *
- *   Copyright (C) 2015-2020 Benno Schulenberg                            *
+ *   Copyright (C) 2015-2021 Benno Schulenberg                            *
  *                                                                        *
  *   GNU nano is free software: you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published    *
diff --git a/src/winio.c b/src/winio.c
index fa737cdf..5f5cad82 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -2,7 +2,7 @@
  *   winio.c  --  This file is part of GNU nano.                          *
  *                                                                        *
  *   Copyright (C) 1999-2011, 2013-2021 Free Software Foundation, Inc.    *
- *   Copyright (C) 2014-2020 Benno Schulenberg                            *
+ *   Copyright (C) 2014-2021 Benno Schulenberg                            *
  *                                                                        *
  *   GNU nano is free software: you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published    *