diff --git a/src/blenderbim/Makefile b/src/blenderbim/Makefile
index d77b8b769f..38865ba416 100644
--- a/src/blenderbim/Makefile
+++ b/src/blenderbim/Makefile
@@ -1,5 +1,5 @@
 # BlenderBIM Add-on - OpenBIM Blender Add-on
-# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
+# Copyright (C) 2020-2023 Dion Moult <dion@thinkmoult.com>
 #
 # This file is part of BlenderBIM Add-on.
 #