diff --git a/contrib/packaging/debian/copyright b/contrib/packaging/debian/copyright
--- a/contrib/packaging/debian/copyright
+++ b/contrib/packaging/debian/copyright
@@ -3,7 +3,7 @@
 Source: https://www.mercurial-scm.org/
 
 Files: *
-Copyright: 2005-2020, Matt Mackall <mpm@selenic.com> and others.
+Copyright: 2005-2021, Matt Mackall <mpm@selenic.com> and others.
 License: GPL-2+
  This program is free software; you can redistribute it
  and/or modify it under the terms of the GNU General Public
diff --git a/contrib/packaging/inno/mercurial.iss b/contrib/packaging/inno/mercurial.iss
--- a/contrib/packaging/inno/mercurial.iss
+++ b/contrib/packaging/inno/mercurial.iss
@@ -6,7 +6,7 @@
 #endif
 
 [Setup]
-AppCopyright=Copyright 2005-2020 Matt Mackall and others
+AppCopyright=Copyright 2005-2021 Matt Mackall and others
 AppName=Mercurial
 AppVersion={#VERSION}
 OutputBaseFilename=Mercurial-{#VERSION}{#SUFFIX}
@@ -29,7 +29,7 @@
 DefaultDirName={pf}\Mercurial
 SourceDir=stage
 VersionInfoDescription=Mercurial distributed SCM (version {#VERSION})
-VersionInfoCopyright=Copyright 2005-2020 Matt Mackall and others
+VersionInfoCopyright=Copyright 2005-2021 Matt Mackall and others
 VersionInfoCompany=Matt Mackall and others
 VersionInfoVersion={#QUAD_VERSION}
 InternalCompressLevel=max
diff --git a/contrib/packaging/wix/COPYING.rtf b/contrib/packaging/wix/COPYING.rtf
index fc98ff56d9794ed561e92196cf4ec116b680532f..8bca18aa4dbe55caca8ffb71d89f9d31d2e02413
GIT binary patch
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diff --git a/contrib/win32/ReadMe.html b/contrib/win32/ReadMe.html
--- a/contrib/win32/ReadMe.html
+++ b/contrib/win32/ReadMe.html
@@ -140,7 +140,7 @@
     </p>
 
     <p>
-      Mercurial is Copyright 2005-2020 Matt Mackall and others.
+      Mercurial is Copyright 2005-2021 Matt Mackall and others.
     </p>
 
     <p>
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -7707,7 +7707,7 @@
     )
     license = _(
         b"(see https://mercurial-scm.org for more information)\n"
-        b"\nCopyright (C) 2005-2020 Matt Mackall and others\n"
+        b"\nCopyright (C) 2005-2021 Matt Mackall and others\n"
         b"This is free software; see the source for copying conditions. "
         b"There is NO\nwarranty; "
         b"not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
diff --git a/mercurial/helptext/hg.1.txt b/mercurial/helptext/hg.1.txt
--- a/mercurial/helptext/hg.1.txt
+++ b/mercurial/helptext/hg.1.txt
@@ -112,7 +112,7 @@
 
 Copying
 """""""
-Copyright (C) 2005-2020 Matt Mackall.
+Copyright (C) 2005-2021 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License version 2 or any later version.
 
diff --git a/mercurial/helptext/hgignore.5.txt b/mercurial/helptext/hgignore.5.txt
--- a/mercurial/helptext/hgignore.5.txt
+++ b/mercurial/helptext/hgignore.5.txt
@@ -26,7 +26,7 @@
 Copying
 =======
 This manual page is copyright 2006 Vadim Gelfer.
-Mercurial is copyright 2005-2020 Matt Mackall.
+Mercurial is copyright 2005-2021 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License version 2 or any later version.
 
diff --git a/mercurial/helptext/hgrc.5.txt b/mercurial/helptext/hgrc.5.txt
--- a/mercurial/helptext/hgrc.5.txt
+++ b/mercurial/helptext/hgrc.5.txt
@@ -34,7 +34,7 @@
 Copying
 =======
 This manual page is copyright 2005 Bryan O'Sullivan.
-Mercurial is copyright 2005-2020 Matt Mackall.
+Mercurial is copyright 2005-2021 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License version 2 or any later version.
 
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -1706,7 +1706,7 @@
     extra['console'] = [
         {
             'script': 'hg',
-            'copyright': 'Copyright (C) 2005-2020 Matt Mackall and others',
+            'copyright': 'Copyright (C) 2005-2021 Matt Mackall and others',
             'product_version': version,
         }
     ]