diff --git a/offlineimap/ui/Curses.py b/offlineimap/ui/Curses.py
index 04119aa..ec06c04 100644
--- a/offlineimap/ui/Curses.py
+++ b/offlineimap/ui/Curses.py
@@ -1,5 +1,5 @@
 # Curses-based interfaces
-# Copyright (C) 2003-2016 John Goerzen & contributors.
+# Copyright (C) 2003-2018 John Goerzen & contributors.
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
diff --git a/offlineimap/ui/Machine.py b/offlineimap/ui/Machine.py
index ed0411e..a9c74f0 100644
--- a/offlineimap/ui/Machine.py
+++ b/offlineimap/ui/Machine.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2007-2016 John Goerzen & contributors.
+# Copyright (C) 2007-2018 John Goerzen & contributors.
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
diff --git a/offlineimap/ui/TTY.py b/offlineimap/ui/TTY.py
index 5a0a517..8b18dc0 100644
--- a/offlineimap/ui/TTY.py
+++ b/offlineimap/ui/TTY.py
@@ -1,5 +1,5 @@
 # TTY UI
-# Copyright (C) 2002-2015 John Goerzen & contributors
+# Copyright (C) 2002-2018 John Goerzen & contributors
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
diff --git a/offlineimap/ui/UIBase.py b/offlineimap/ui/UIBase.py
index 94f9f02..731d6f1 100644
--- a/offlineimap/ui/UIBase.py
+++ b/offlineimap/ui/UIBase.py
@@ -1,5 +1,5 @@
 # UI base class
-# Copyright (C) 2002-2016 John Goerzen & contributors.
+# Copyright (C) 2002-2018 John Goerzen & contributors.
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
diff --git a/offlineimap/utils/distro.py b/offlineimap/utils/distro.py
index c716343..00e21e9 100644
--- a/offlineimap/utils/distro.py
+++ b/offlineimap/utils/distro.py
@@ -1,4 +1,4 @@
-# Copyright 2014-2006 Eygene A. Ryabinkin & contributors.
+# Copyright 2006-2018 Eygene A. Ryabinkin & contributors.
 #
 # Module that supports distribution-specific functions.