diff --git a/common/dialog_about/AboutDialog_main.cpp b/common/dialog_about/AboutDialog_main.cpp
index 7d4910df6a..a844585e48 100644
--- a/common/dialog_about/AboutDialog_main.cpp
+++ b/common/dialog_about/AboutDialog_main.cpp
@@ -64,7 +64,7 @@ static void buildKicadAboutBanner( EDA_BASE_FRAME* aParent, ABOUT_APP_INFO& aInf
     aInfo.SetAppName( Pgm().App().GetAppName() );
 
     /* Copyright information */
-    aInfo.SetCopyright( "(C) 1992-2022 KiCad Developers Team" );
+    aInfo.SetCopyright( "(C) 1992-2023 KiCad Developers Team" );
 
     /* KiCad build version */
     wxString version;
diff --git a/copyright.h b/copyright.h
index f5068af908..3cbf8ccfb5 100644
--- a/copyright.h
+++ b/copyright.h
@@ -12,8 +12,8 @@ choose to document this corresponding work in the AUTHORS.txt file.
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2022 <author>
- * Copyright (C) 2022 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2023 <author>
+ * Copyright (C) 2023 KiCad Developers, see AUTHORS.txt for 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 the