diff --git a/pypi_README.md b/pypi_README.md
index 85edb9b..c841769 100644
--- a/pypi_README.md
+++ b/pypi_README.md
@@ -7,7 +7,7 @@ musicdiff is derived from: [music-score-diff](https://github.com/fosfrancesco/mu
     by [Francesco Foscarin](https://github.com/fosfrancesco).
 
 ## Setup
-Depends on [music21](https://pypi.org/project/music21) (version 9.1+),  [numpy](https://pypi.org/project/numpy), and [converter21](https://pypi.org/project/converter21) (version 3.0+). You also will need to configure music21 (instructions [here](https://web.mit.edu/music21/doc/usersGuide/usersGuide_01_installing.html)) to display a musical score (e.g. with MuseScore).  Requires Python 3.10+.
+Depends on [music21](https://pypi.org/project/music21) (version 9.1+),  [numpy](https://pypi.org/project/numpy), and [converter21](https://pypi.org/project/converter21) (version 3.1+). You also will need to configure music21 (instructions [here](https://web.mit.edu/music21/doc/usersGuide/usersGuide_01_installing.html)) to display a musical score (e.g. with MuseScore).  Requires Python 3.10+.
 
 ## Usage
 On the command line:
@@ -45,7 +45,7 @@ Many thanks to [Francesco Foscarin](https://github.com/fosfrancesco) for allowin
 
 ## License
 The MIT License (MIT)
-Copyright (c) 2022, 2023 Francesco Foscarin, Greg Chapman
+Copyright (c) 2022-2024 Francesco Foscarin, Greg Chapman
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: