diff --git a/doc/source/conf.py b/doc/source/conf.py
index 058a3c6f..b181f01f 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -46,7 +46,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'Modules'
-copyright = '1996-1999 John L. Furlani & Peter W. Osel, 1998-2017 R.K.Owen, 2002-2004 Mark Lakata, 2004-2017 Kent Mein, 2016-2020 Xavier Delaruelle'
+copyright = '1996-1999 John L. Furlani & Peter W. Osel, 1998-2017 R.K.Owen, 2002-2004 Mark Lakata, 2004-2017 Kent Mein, 2016-2021 Xavier Delaruelle'
 author = ''
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/modulecmd.tcl.in b/modulecmd.tcl.in
index d5a1c275..f64418c0 100644
--- a/modulecmd.tcl.in
+++ b/modulecmd.tcl.in
@@ -3,7 +3,7 @@
 # MODULECMD.TCL, a pure TCL implementation of the module command
 # Copyright (C) 2002-2004 Mark Lakata
 # Copyright (C) 2004-2017 Kent Mein
-# Copyright (C) 2016-2020 Xavier Delaruelle
+# Copyright (C) 2016-2021 Xavier Delaruelle
 #
 # 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