diff --git a/Doc/copyright.rst b/Doc/copyright.rst
index e64a49328b4..9b71683155e 100644
--- a/Doc/copyright.rst
+++ b/Doc/copyright.rst
@@ -4,7 +4,7 @@ Copyright
 
 Python and this documentation is:
 
-Copyright © 2001-2022 Python Software Foundation. All rights reserved.
+Copyright © 2001-2023 Python Software Foundation. All rights reserved.
 
 Copyright © 2000 BeOpen.com. All rights reserved.
 
diff --git a/Doc/license.rst b/Doc/license.rst
index a934c60698f..005d048b6eb 100644
--- a/Doc/license.rst
+++ b/Doc/license.rst
@@ -100,7 +100,7 @@ PSF LICENSE AGREEMENT FOR PYTHON |release|
       analyze, test, perform and/or display publicly, prepare derivative works,
       distribute, and otherwise use Python |release| alone or in any derivative
       version, provided, however, that PSF's License Agreement and PSF's notice of
-      copyright, i.e., "Copyright © 2001-2022 Python Software Foundation; All Rights
+      copyright, i.e., "Copyright © 2001-2023 Python Software Foundation; All Rights
       Reserved" are retained in Python |release| alone or in any derivative version
       prepared by Licensee.
 
diff --git a/LICENSE b/LICENSE
index 9838d443f9f..f26bcf4d2de 100644
--- a/LICENSE
+++ b/LICENSE
@@ -84,7 +84,7 @@ analyze, test, perform and/or display publicly, prepare derivative works,
 distribute, and otherwise use Python alone or in any derivative version,
 provided, however, that PSF's License Agreement and PSF's notice of copyright,
 i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Python Software Foundation;
+2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Python Software Foundation;
 All Rights Reserved" are retained in Python alone or in any derivative version
 prepared by Licensee.
 
diff --git a/Mac/IDLE/IDLE.app/Contents/Info.plist b/Mac/IDLE/IDLE.app/Contents/Info.plist
index 799a164cbdf..fea06d46324 100644
--- a/Mac/IDLE/IDLE.app/Contents/Info.plist
+++ b/Mac/IDLE/IDLE.app/Contents/Info.plist
@@ -37,7 +37,7 @@
 	<key>CFBundleExecutable</key>
 	<string>IDLE</string>
 	<key>CFBundleGetInfoString</key>
-	<string>%version%, © 2001-2022 Python Software Foundation</string>
+	<string>%version%, © 2001-2023 Python Software Foundation</string>
 	<key>CFBundleIconFile</key>
 	<string>IDLE.icns</string>
 	<key>CFBundleIdentifier</key>
diff --git a/Mac/PythonLauncher/Info.plist.in b/Mac/PythonLauncher/Info.plist.in
index dec0a2eaf5c..b7cddac0729 100644
--- a/Mac/PythonLauncher/Info.plist.in
+++ b/Mac/PythonLauncher/Info.plist.in
@@ -40,9 +40,9 @@
 	<key>CFBundleExecutable</key>
 	<string>Python Launcher</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2001-2022 Python Software Foundation</string>
+	<string>Copyright © 2001-2023 Python Software Foundation</string>
 	<key>CFBundleGetInfoString</key>
-	<string>%VERSION%, © 2001-2022 Python Software Foundation</string>
+	<string>%VERSION%, © 2001-2023 Python Software Foundation</string>
 	<key>CFBundleIconFile</key>
 	<string>PythonLauncher.icns</string>
 	<key>CFBundleIdentifier</key>
diff --git a/Mac/Resources/app/Info.plist.in b/Mac/Resources/app/Info.plist.in
index 84843b734e3..c063192a05a 100644
--- a/Mac/Resources/app/Info.plist.in
+++ b/Mac/Resources/app/Info.plist.in
@@ -37,7 +37,7 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleLongVersionString</key>
-	<string>%version%, (c) 2001-2022 Python Software Foundation.</string>
+	<string>%version%, (c) 2001-2023 Python Software Foundation.</string>
 	<key>CFBundleName</key>
 	<string>Python</string>
 	<key>CFBundlePackageType</key>
diff --git a/PC/python_ver_rc.h b/PC/python_ver_rc.h
index e6c1d243704..5b55b810cd2 100644
--- a/PC/python_ver_rc.h
+++ b/PC/python_ver_rc.h
@@ -5,7 +5,7 @@
 #include "winver.h"
 
 #define PYTHON_COMPANY   "Python Software Foundation"
-#define PYTHON_COPYRIGHT "Copyright \xA9 2001-2022 Python Software Foundation. Copyright \xA9 2000 BeOpen.com. Copyright \xA9 1995-2001 CNRI. Copyright \xA9 1991-1995 SMC."
+#define PYTHON_COPYRIGHT "Copyright \xA9 2001-2023 Python Software Foundation. Copyright \xA9 2000 BeOpen.com. Copyright \xA9 1995-2001 CNRI. Copyright \xA9 1991-1995 SMC."
 
 #define MS_WINDOWS
 #include "modsupport.h"
diff --git a/Python/getcopyright.c b/Python/getcopyright.c
index 88d1d053625..c1f1aad9b84 100644
--- a/Python/getcopyright.c
+++ b/Python/getcopyright.c
@@ -4,7 +4,7 @@
 
 static const char cprt[] =
 "\
-Copyright (c) 2001-2022 Python Software Foundation.\n\
+Copyright (c) 2001-2023 Python Software Foundation.\n\
 All Rights Reserved.\n\
 \n\
 Copyright (c) 2000 BeOpen.com.\n\
diff --git a/README.rst b/README.rst
index ab9d3a6ea71..9b565ce522f 100644
--- a/README.rst
+++ b/README.rst
@@ -14,7 +14,7 @@ This is Python version 3.12.0 alpha 3
    :target: https://discuss.python.org/
 
 
-Copyright © 2001-2022 Python Software Foundation.  All rights reserved.
+Copyright © 2001-2023 Python Software Foundation.  All rights reserved.
 
 See the end of this file for further copyright and license information.