diff --git a/AUTHORS b/AUTHORS
index 83039c6e..4ed43012 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,9 +1,9 @@
 This file is part of GParted
 Copyright (C) 2004, 2005, 2006
 	Bart Hakvoort
-Portions Copyright (C) 2008-2022
+Portions Copyright (C) 2008-2023
 	Curtis Gedak
-Portions Copyright (C) 2011-2022
+Portions Copyright (C) 2011-2023
 	Mike Fleetwood
 
 This file may be modified and/or distributed without restriction.  This is
diff --git a/src/Win_GParted.cc b/src/Win_GParted.cc
index b84e9753..8154cf37 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -1891,8 +1891,8 @@ void Win_GParted::menu_help_about()
 	dialog .set_comments( _( "GNOME Partition Editor" ) ) ;
 	std::string names ;
 	names =    "Copyright © 2004-2006 Bart Hakvoort" ;
-	names += "\nCopyright © 2008-2022 Curtis Gedak" ;
-	names += "\nCopyright © 2011-2022 Mike Fleetwood" ;
+	names += "\nCopyright © 2008-2023 Curtis Gedak" ;
+	names += "\nCopyright © 2011-2023 Mike Fleetwood" ;
 	dialog .set_copyright( names ) ;
 
 	//authors