diff --git a/setup.py b/setup.py
index dee2d6d..92eb44c 100755
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 '''
 setup.py - setuptools installation configuration for warcprox
 
-Copyright (C) 2013-2022 Internet Archive
+Copyright (C) 2013-2023 Internet Archive
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -44,7 +44,7 @@ except:
 
 setuptools.setup(
         name='warcprox',
-        version='2.4.31',
+        version='2.4.33b1',
         description='WARC writing MITM HTTP/S proxy',
         url='https://github.com/internetarchive/warcprox',
         author='Noah Levitt',