diff --git a/func_timeout/StoppableThread.py b/func_timeout/StoppableThread.py
index b8092e1..6fc8bcf 100644
--- a/func_timeout/StoppableThread.py
+++ b/func_timeout/StoppableThread.py
@@ -1,5 +1,5 @@
 '''
-    Copyright (c) 2016, 2017, 2019 Timothy Savannah All Rights Reserved.
+    Copyright (c) 2016, 2017, 2019, 2023 Timothy Savannah All Rights Reserved.
 
     Licensed under the Lesser GNU Public License Version 3, LGPLv3. You should have recieved a copy of this with the source distribution as
     LICENSE, otherwise it is available at https://github.com/kata198/func_timeout/LICENSE
diff --git a/func_timeout/__init__.py b/func_timeout/__init__.py
index d477543..de933d9 100644
--- a/func_timeout/__init__.py
+++ b/func_timeout/__init__.py
@@ -1,13 +1,13 @@
 '''
-    Copyright (c) 2016, 2017, 2019 Tim Savannah All Rights Reserved.
+    Copyright (c) 2016, 2017, 2019, 2023 Tim Savannah All Rights Reserved.
 
     Licensed under the Lesser GNU Public License Version 3, LGPLv3. You should have recieved a copy of this with the source distribution as
     LICENSE, otherwise it is available at https://github.com/kata198/func_timeout/LICENSE
 '''
 
 
-__version__ = '4.3.5'
-__version_tuple__ = (4, 3, 5)
+__version__ = '4.4.0'
+__version_tuple__ = (4, 4, 0)
 
 __all__ = ('func_timeout', 'func_set_timeout', 'FunctionTimedOut', 'StoppableThread')
 
diff --git a/func_timeout/dafunc.py b/func_timeout/dafunc.py
index 0e8baf0..802607b 100644
--- a/func_timeout/dafunc.py
+++ b/func_timeout/dafunc.py
@@ -2,7 +2,7 @@
 # vim: set ts=4 sw=4 expandtab :
 
 '''
-    Copyright (c) 2016, 2017 Tim Savannah All Rights Reserved.
+    Copyright (c) 2016, 2017, 2023 Tim Savannah All Rights Reserved.
 
     Licensed under the Lesser GNU Public License Version 3, LGPLv3. You should have recieved a copy of this with the source distribution as
     LICENSE, otherwise it is available at https://github.com/kata198/func_timeout/LICENSE
diff --git a/setup.py b/setup.py
index f5767b8..8e1834f 100755
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 '''
-    Copyright (c) 2016, 2017 Tim Savannah All Rights Reserved.
+    Copyright (c) 2016, 2017, 2023 Tim Savannah All Rights Reserved.
     This software is licensed under the terms of the Lesser GNU General Public License Version 2.1 (LGPLv2.1)
 
     You should have received a copy of this with the source distribution as LICENSE,
@@ -30,7 +30,7 @@ if __name__ == '__main__':
         log_description = summary
 
     setup(name='func_timeout',
-            version='4.3.5',
+            version='4.4.0',
             packages=['func_timeout'],
             author='Tim Savannah',
             author_email='kata198@gmail.com',
@@ -50,6 +50,8 @@ if __name__ == '__main__':
                           'Programming Language :: Python :: 3.5',
                           'Programming Language :: Python :: 3.6',
                           'Programming Language :: Python :: 3.7',
+                          'Programming Language :: Python :: 3.8',
+                          'Programming Language :: Python :: 3.9',
                           'Topic :: Software Development :: Libraries :: Python Modules'
             ]
     )