diff --git a/common/eda_shape.cpp b/common/eda_shape.cpp
index 504d1de621..2c94ee011e 100644
--- a/common/eda_shape.cpp
+++ b/common/eda_shape.cpp
@@ -4,6 +4,7 @@
  * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
  * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
  * Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
+ * Copyright (C) 2023 CERN
  * Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
diff --git a/common/properties/pg_properties.cpp b/common/properties/pg_properties.cpp
index 93b758158b..d2dd82ac35 100644
--- a/common/properties/pg_properties.cpp
+++ b/common/properties/pg_properties.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KICAD, a free EDA CAD application.
  *
- * Copyright (C) 2020 CERN
+ * Copyright (C) 2020-2023 CERN
  * Copyright (C) 2021-2023 KiCad Developers, see AUTHORS.TXT for contributors.
  * @author Maciej Suminski <maciej.suminski@cern.ch>
  *
diff --git a/common/widgets/properties_panel.cpp b/common/widgets/properties_panel.cpp
index 2335716b02..7ff9a708b2 100644
--- a/common/widgets/properties_panel.cpp
+++ b/common/widgets/properties_panel.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KICAD, a free EDA CAD application.
  *
- * Copyright (C) 2020 CERN
+ * Copyright (C) 2020-2023 CERN
  * Copyright (C) 2020-2022 KiCad Developers, see AUTHORS.txt for contributors.
  * @author Maciej Suminski <maciej.suminski@cern.ch>
  *
diff --git a/eeschema/sch_sheet.cpp b/eeschema/sch_sheet.cpp
index b51a4979d3..3ee9924a3c 100644
--- a/eeschema/sch_sheet.cpp
+++ b/eeschema/sch_sheet.cpp
@@ -2,6 +2,7 @@
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
+ * Copyright (C) 2023 CERN
  * Copyright (C) 1992-2023 Kicad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
diff --git a/include/pcb_base_frame.h b/include/pcb_base_frame.h
index a8221a5c41..6b8c8b39ea 100644
--- a/include/pcb_base_frame.h
+++ b/include/pcb_base_frame.h
@@ -3,6 +3,7 @@
  *
  * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
  * Copyright (C) 2008-2016 Wayne Stambaugh <stambaughw@gmail.com>
+ * Copyright (C) 2023 CERN
  * Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
diff --git a/include/properties/pg_properties.h b/include/properties/pg_properties.h
index 151578a26a..cbe7b9e93b 100644
--- a/include/properties/pg_properties.h
+++ b/include/properties/pg_properties.h
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KICAD, a free EDA CAD application.
  *
- * Copyright (C) 2020 CERN
+ * Copyright (C) 2020-2023 CERN
  * Copyright (C) 2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * @author Maciej Suminski <maciej.suminski@cern.ch>
diff --git a/include/properties/property_mgr.h b/include/properties/property_mgr.h
index 746e90db2d..7cb0dd01a8 100644
--- a/include/properties/property_mgr.h
+++ b/include/properties/property_mgr.h
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2020 CERN
+ * Copyright (C) 2020-2023 CERN
  * Copyright (C) 2021-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
diff --git a/pcbnew/pcb_dimension.cpp b/pcbnew/pcb_dimension.cpp
index 957546f48d..7a002a3cb8 100644
--- a/pcbnew/pcb_dimension.cpp
+++ b/pcbnew/pcb_dimension.cpp
@@ -4,6 +4,7 @@
  * Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
  * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
  * Copyright (C) 2012 Wayne Stambaugh <stambaughw@gmail.com>
+ * Copyright (C) 2023 CERN
  * Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
diff --git a/pcbnew/tools/edit_tool.cpp b/pcbnew/tools/edit_tool.cpp
index bb5de1b008..b7d57f4fc6 100644
--- a/pcbnew/tools/edit_tool.cpp
+++ b/pcbnew/tools/edit_tool.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2013-2017 CERN
+ * Copyright (C) 2013-2023 CERN
  * Copyright (C) 2017-2023 KiCad Developers, see AUTHORS.txt for contributors.
  * @author Maciej Suminski <maciej.suminski@cern.ch>
  * @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
diff --git a/pcbnew/widgets/pcb_properties_panel.cpp b/pcbnew/widgets/pcb_properties_panel.cpp
index 44ac54a245..23c3dfab5c 100644
--- a/pcbnew/widgets/pcb_properties_panel.cpp
+++ b/pcbnew/widgets/pcb_properties_panel.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KICAD, a free EDA CAD application.
  *
- * Copyright (C) 2020 CERN
+ * Copyright (C) 2020-2023 CERN
  * Copyright (C) 2021-2023 KiCad Developers, see AUTHORS.txt for contributors.
  * @author Maciej Suminski <maciej.suminski@cern.ch>
  *
diff --git a/pcbnew/widgets/search_handlers.cpp b/pcbnew/widgets/search_handlers.cpp
index 7302158446..54dab3319d 100644
--- a/pcbnew/widgets/search_handlers.cpp
+++ b/pcbnew/widgets/search_handlers.cpp
@@ -1,6 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
+ * Copyright (C) 2023 CERN
  * Copyright (C) 2022-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software: you can redistribute it and/or modify it