diff --git a/COPYING b/COPYING
index 5d6b7070fc3f5d54e7857f765412dbd9a294c129..bac6a11eef2bc4537115a543ee626531a235248a 100644
--- a/COPYING
+++ b/COPYING
@@ -1,5 +1,5 @@
 Copyright (C) 1999,2000 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/man/feh.pre b/man/feh.pre
index e99f7e8e0efe95706bca46de493fe8e8b8694c40..c6dae5ff435e9bea3d52c88279ed24586b3c695d 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -2129,7 +2129,7 @@ Make zoom options more intuitive
 .
 Copyright (C) 1999, 2000 by Paul Duncan.
 Copyright (C) 1999, 2000 by Tom Gilbert (and various contributors).
-Copyright (C) 2010-2018 by Daniel Friesel (and even more contributors).
+Copyright (C) 2010-2020 by Daniel Friesel (and even more contributors).
 .
 .Pp
 .
diff --git a/src/debug.h b/src/debug.h
index 38cf83f4e0bc0686f620576817004ab814c1c592..569637e87b34f53162db116cbde7c90b4395386d 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -1,7 +1,7 @@
 /* debug.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/events.c b/src/events.c
index f7ffe59e35519a34a2061fbf3de6ce83edaee76b..c44ebf458ad458da5d61f654c30aa63361debf0c 100644
--- a/src/events.c
+++ b/src/events.c
@@ -1,7 +1,7 @@
 /* events.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/feh.h b/src/feh.h
index 4d094a36d0803196e0c6419a2be4fa73250e42d1..a76d66f6b2f60e927abbca29fcbdf0d7280a8bed 100644
--- a/src/feh.h
+++ b/src/feh.h
@@ -1,7 +1,7 @@
 /* feh.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/filelist.c b/src/filelist.c
index e3ae0207e781b2c933e0ba45686eb25815f5428c..4939d4de0526426c1e67c1440d0786558f463869 100644
--- a/src/filelist.c
+++ b/src/filelist.c
@@ -1,7 +1,7 @@
 /* filelist.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/help.raw b/src/help.raw
index 7a9a658966cc02a5b9a29c794ff2de4d2d3dbdf4..a9cf9dacf40c6a235f9d7427a621287fd7d84455 100644
--- a/src/help.raw
+++ b/src/help.raw
@@ -200,7 +200,7 @@ DEFAULT KEYS
 
 This program is free software, see the file COPYING for licensing info.
 Copyright Tom Gilbert (and various contributors) 1999-2003.
-Copyright Daniel Friesel (and various contributors) 2010-2018.
+Copyright Daniel Friesel (and various contributors) 2010-2020.
 
 Homepage: http://feh.finalrewind.org
 Report bugs to <derf+feh@finalrewind.org> or #feh on irc.oftc.net.
diff --git a/src/imlib.c b/src/imlib.c
index d2147d9ef72b8dde51b70f77c0df5d0f3b34b6e7..5034be80895b9647ad0264a9d56b65b21e0dad98 100644
--- a/src/imlib.c
+++ b/src/imlib.c
@@ -1,7 +1,7 @@
 /* imlib.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/index.c b/src/index.c
index af3adea728d7b62869b634ab3ca16e76ba75894c..3633c96860a2a9a5f8063cadf7f80c77932d7b33 100644
--- a/src/index.c
+++ b/src/index.c
@@ -1,7 +1,7 @@
 /* index.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/keyevents.c b/src/keyevents.c
index d09f657c8f3060a825e913ad856c94e47ac4045b..0da07d3594da9d43fd4ae1f1d2be73ef771734d2 100644
--- a/src/keyevents.c
+++ b/src/keyevents.c
@@ -1,7 +1,7 @@
 /* keyevents.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/list.c b/src/list.c
index 2f6cf76c0c3c0bbfc62d45832468c137255f99b7..83df407628b99d7342d3ec632b507d915bd023e3 100644
--- a/src/list.c
+++ b/src/list.c
@@ -1,7 +1,7 @@
 /* list.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/main.c b/src/main.c
index 31ab8f8c207812f0d6ba80592a5578053abec092..1497be2e3c8e5b6a004f83b44aca5175e8335898 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,7 @@
 /* main.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/menu.c b/src/menu.c
index fcbb4904aa046968a2564e2edffbae1bbc52cbcf..aca3435c6d2a4b04f809f98705cbbf65030f2683 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1,7 +1,7 @@
 /* menu.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/menu.h b/src/menu.h
index b53b32f1bef103f78c50f1d40b02b35491ee5798..3ab29bc4fb1fb1660a17a9794b74dd657bd53468 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -1,7 +1,7 @@
 /* menu.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/options.c b/src/options.c
index 5426a0b48aa313f918fc60bf49430013bb7b25d6..2cd7a9e2c43dd657b3db9012788c613e83b22726 100644
--- a/src/options.c
+++ b/src/options.c
@@ -1,7 +1,7 @@
 /* options.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/options.h b/src/options.h
index f7bb202d56144acb9dadc347071154ed09621a48..49060045a4e3a0971018fbd716a9b1099839d93d 100644
--- a/src/options.h
+++ b/src/options.h
@@ -1,7 +1,7 @@
 /* options.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/signals.c b/src/signals.c
index 85d81bc37718d8f6426dfab3a2fa36e1802d13f8..a64f9352147d89fab14b4b280ed4385806910a09 100644
--- a/src/signals.c
+++ b/src/signals.c
@@ -1,6 +1,6 @@
 /* signals.c
 
-Copyright (C) 2010-2018 by Daniel Friesel
+Copyright (C) 2010-2020 by Daniel Friesel
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/slideshow.c b/src/slideshow.c
index f807d412714652d80392a40b3fb963769743080c..00425d1cd08a88d9118850cbaa37c3ebdaa691cd 100644
--- a/src/slideshow.c
+++ b/src/slideshow.c
@@ -1,7 +1,7 @@
 /* slideshow.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/structs.h b/src/structs.h
index ce30eb9d648fca4a6e4013c5a5ec51b242161fa8..3e2a1aa3edc841101e704a061c64718a969493c7 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1,7 +1,7 @@
 /* structs.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/thumbnail.c b/src/thumbnail.c
index 79109f4412cbe85d1cf7d338a4f35e4d472ce40d..41bd1a0605b4df26442a31b928dea8bced6c7ded 100644
--- a/src/thumbnail.c
+++ b/src/thumbnail.c
@@ -1,7 +1,7 @@
 /* thumbnail.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/thumbnail.h b/src/thumbnail.h
index 09cd77143290ca4dcc4b510a692444950e1f1abe..61d3053daf67a996bb4bc9092cd477ee2340aaf2 100644
--- a/src/thumbnail.h
+++ b/src/thumbnail.h
@@ -1,7 +1,7 @@
 /* thumbnail.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/timers.c b/src/timers.c
index 95fc9f87ecdb1ebaa965e86b1cd272ee55de52e6..4bdd64e79f2340fd5d8a3e745126d8108e48ef26 100644
--- a/src/timers.c
+++ b/src/timers.c
@@ -1,7 +1,7 @@
 /* timers.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/wallpaper.c b/src/wallpaper.c
index 6a9487922fc350aa7aa54d059b9ac1eebe45b378..37b5a1d028ccd009450564a892f63130125ffb05 100644
--- a/src/wallpaper.c
+++ b/src/wallpaper.c
@@ -1,7 +1,7 @@
 /* wallpaper.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/wallpaper.h b/src/wallpaper.h
index 02a6997fccbe2ffb9ed0f9e3e449370689c59c4a..cf52d2d5ab9b2ffe7fdbe8a63397ee415de583e3 100644
--- a/src/wallpaper.h
+++ b/src/wallpaper.h
@@ -1,7 +1,7 @@
 /* wallpaper.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/winwidget.c b/src/winwidget.c
index cef723040b84a9ae1d403b6263074427cb9fcca3..6ff90ede3a06d34fe9b59c6bb16b5692840143e9 100644
--- a/src/winwidget.c
+++ b/src/winwidget.c
@@ -1,7 +1,7 @@
 /* winwidget.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/winwidget.h b/src/winwidget.h
index 4d8fc4b18a8a51be6404f6330e60e57be642f1e6..9d7428641213f123dbcf9079f72b6b7d1ddd0b05 100644
--- a/src/winwidget.h
+++ b/src/winwidget.h
@@ -1,7 +1,7 @@
 /* winwidget.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2018 Daniel Friesel.
+Copyright (C) 2010-2020 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to