diff --git a/AUTHORS b/AUTHORS
index abad243b..a7c5e646 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) 2008-2019
+Portions Copyright (C) 2008-2020
 	Curtis Gedak
-Portions Copyright (C) 2011-2019
+Portions Copyright (C) 2011-2020
 	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 176b8448..e1beefe0 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -1863,8 +1863,8 @@ void Win_GParted::menu_help_about()
 	dialog .set_comments( _( "GNOME Partition Editor" ) ) ;
 	std::string names ;
 	names =    "Copyright © 2004-2006 Bart Hakvoort" ;
-	names += "\nCopyright © 2008-2019 Curtis Gedak" ;
-	names += "\nCopyright © 2011-2019 Mike Fleetwood" ;
+	names += "\nCopyright © 2008-2020 Curtis Gedak" ;
+	names += "\nCopyright © 2011-2020 Mike Fleetwood" ;
 	dialog .set_copyright( names ) ;
 
 	//authors