diff --git a/README.md b/README.md
index 34e15b5..11790a3 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ up to 15 minutes on first compile.
 
 Gomics-v\
 Copyright (c) 2013–2021 Utkan Güngördü <utkan@freeconsole.org>\
-Copyright (c) 2021–2022 Piotr Grabowski
+Copyright (c) 2021–2023 Piotr Grabowski
 
 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 the Free Software
diff --git a/app.go b/app.go
index 740b5aa..737a574 100644
--- a/app.go
+++ b/app.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive.go b/archive.go
index 39e8f21..4a0c5d6 100644
--- a/archive.go
+++ b/archive.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive/archive.go b/archive/archive.go
index 9c6dafb..5f25896 100644
--- a/archive/archive.go
+++ b/archive/archive.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive/dir.go b/archive/dir.go
index e01587f..da30b23 100644
--- a/archive/dir.go
+++ b/archive/dir.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive/http.go b/archive/http.go
index c2e4bdf..fccd744 100644
--- a/archive/http.go
+++ b/archive/http.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive/kind.go b/archive/kind.go
index a8489c2..11640f3 100644
--- a/archive/kind.go
+++ b/archive/kind.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive/util.go b/archive/util.go
index 0ca19eb..c868938 100644
--- a/archive/util.go
+++ b/archive/util.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/archive/zip.go b/archive/zip.go
index 4d54423..ad471dc 100644
--- a/archive/zip.go
+++ b/archive/zip.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/bookmarks.go b/bookmarks.go
index f30ad21..8c37d4b 100644
--- a/bookmarks.go
+++ b/bookmarks.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/build_info.go b/build_info.go
index fdfa415..df4f5f7 100644
--- a/build_info.go
+++ b/build_info.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/cmd/gomicsv/main.go b/cmd/gomicsv/main.go
index a262c52..cdc0882 100644
--- a/cmd/gomicsv/main.go
+++ b/cmd/gomicsv/main.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/color.go b/color.go
index 5dc3d87..dfee21c 100644
--- a/color.go
+++ b/color.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/config.go b/config.go
index 0c3cedc..537c8c1 100644
--- a/config.go
+++ b/config.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/cursor.go b/cursor.go
index e5333ca..97be67a 100644
--- a/cursor.go
+++ b/cursor.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/gomicsv.ui b/gomicsv.ui
index 83fcadf..b4a7a3a 100644
--- a/gomicsv.ui
+++ b/gomicsv.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
  Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- Copyright (c) 2021-2022 Piotr Grabowski
+ Copyright (c) 2021-2023 Piotr Grabowski
  
  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
@@ -726,7 +726,7 @@
     <property name="transient-for">MainWindow</property>
     <property name="program-name">Gomics-v</property>
     <property name="copyright" translatable="yes">Copyright (c) 2013–2021 Utkan Güngördü
-Copyright (c) 2021–2022 Piotr Grabowski</property>
+Copyright (c) 2021–2023 Piotr Grabowski</property>
     <property name="comments" translatable="yes">Gomics-v is a GTK comic and image archive viewer written in Go, available under the GNU GPL v3 or later.</property>
     <property name="website">https://github.com/fauu/gomicsv</property>
     <property name="authors">Utkan Güngördü, Piotr Grabowski</property>
diff --git a/goto.go b/goto.go
index 8db0075..8d714df 100644
--- a/goto.go
+++ b/goto.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/gtk.go b/gtk.go
index 2a72ca6..d56e184 100644
--- a/gtk.go
+++ b/gtk.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/image.go b/image.go
index d1d651b..0f14944 100644
--- a/image.go
+++ b/image.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/image_area.go b/image_area.go
index b8f4068..77d07f2 100644
--- a/image_area.go
+++ b/image_area.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/imgdiff/imgdiff.go b/imgdiff/imgdiff.go
index cc749b9..36d33f4 100644
--- a/imgdiff/imgdiff.go
+++ b/imgdiff/imgdiff.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/jumpmarks.go b/jumpmarks.go
index d3e659d..7501a29 100644
--- a/jumpmarks.go
+++ b/jumpmarks.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/kamite.go b/kamite.go
index d896e81..23d9b0a 100644
--- a/kamite.go
+++ b/kamite.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/md5.go b/md5.go
index af97e88..cd6edd7 100644
--- a/md5.go
+++ b/md5.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/menu.go b/menu.go
index 35c6ffc..91b38de 100644
--- a/menu.go
+++ b/menu.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/navigation.go b/navigation.go
index f932b2e..4697610 100644
--- a/navigation.go
+++ b/navigation.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/notification.go b/notification.go
index af82828..c4aa691 100644
--- a/notification.go
+++ b/notification.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/page.go b/page.go
index ce0c4c8..d9afc5d 100644
--- a/page.go
+++ b/page.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/pagecache/page_cache.go b/pagecache/page_cache.go
index 3c9c5fb..4b3a367 100644
--- a/pagecache/page_cache.go
+++ b/pagecache/page_cache.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/pixbuf/pixbuf.go b/pixbuf/pixbuf.go
index c19bb38..2d7da02 100644
--- a/pixbuf/pixbuf.go
+++ b/pixbuf/pixbuf.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/preferences.go b/preferences.go
index 9f88208..b321e3e 100644
--- a/preferences.go
+++ b/preferences.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/read_later.go b/read_later.go
index 4b8ea3e..234c92c 100644
--- a/read_later.go
+++ b/read_later.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/scrolling.go b/scrolling.go
index cca80cb..3e656a6 100644
--- a/scrolling.go
+++ b/scrolling.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/standard_paths_linux.go b/standard_paths_linux.go
index fa5e9fd..c3cde81 100644
--- a/standard_paths_linux.go
+++ b/standard_paths_linux.go
@@ -3,7 +3,7 @@
 
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/toolbar.go b/toolbar.go
index c3906f5..55e9373 100644
--- a/toolbar.go
+++ b/toolbar.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/ui.go b/ui.go
index 8737df2..696cc19 100644
--- a/ui.go
+++ b/ui.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/util/url.go b/util/url.go
index 2c11d23..93a2b3e 100644
--- a/util/url.go
+++ b/util/url.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/util/util.go b/util/util.go
index 2ed4028..f92a194 100644
--- a/util/util.go
+++ b/util/util.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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/widgets.go b/widgets.go
index 047f41f..a2944c7 100644
--- a/widgets.go
+++ b/widgets.go
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
- * Copyright (c) 2021-2022 Piotr Grabowski
+ * Copyright (c) 2021-2023 Piotr Grabowski
  *
  * 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