diff --git a/src/chars.c b/src/chars.c
index eb4c213a..81536e37 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, 2013-2020 Free Software Foundation, Inc.    *
- *   Copyright (C) 2016-2018 Benno Schulenberg                            *
+ *   Copyright (C) 2016-2019 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/help.c b/src/help.c
index 0392a734..0d4519c1 100644
--- a/src/help.c
+++ b/src/help.c
@@ -3,7 +3,7 @@
  *                                                                        *
  *   Copyright (C) 2000-2011, 2013-2020 Free Software Foundation, Inc.    *
  *   Copyright (C) 2017 Rishabh Dave                                      *
- *   Copyright (C) 2014-2018 Benno Schulenberg                            *
+ *   Copyright (C) 2014-2019 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/history.c b/src/history.c
index 8af4d56f..987c87b9 100644
--- a/src/history.c
+++ b/src/history.c
@@ -2,7 +2,7 @@
  *   history.c  --  This file is part of GNU nano.                        *
  *                                                                        *
  *   Copyright (C) 2003-2011, 2013-2020 Free Software Foundation, Inc.    *
- *   Copyright (C) 2016-2017 Benno Schulenberg                            *
+ *   Copyright (C) 2016, 2017, 2019 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/search.c b/src/search.c
index 3ad4b663..38a79508 100644
--- a/src/search.c
+++ b/src/search.c
@@ -2,7 +2,7 @@
  *   search.c  --  This file is part of GNU nano.                         *
  *                                                                        *
  *   Copyright (C) 1999-2011, 2013-2020 Free Software Foundation, Inc.    *
- *   Copyright (C) 2015-2018 Benno Schulenberg                            *
+ *   Copyright (C) 2015-2019 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/utils.c b/src/utils.c
index c49f4bdc..69557d21 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -2,7 +2,7 @@
  *   utils.c  --  This file is part of GNU nano.                          *
  *                                                                        *
  *   Copyright (C) 1999-2011, 2013-2020 Free Software Foundation, Inc.    *
- *   Copyright (C) 2016-2017 Benno Schulenberg                            *
+ *   Copyright (C) 2016, 2017, 2019 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    *