Cannot install purlcli on Mac

[vargenau]

 pipx install purldb-toolkit
  installed package purldb-toolkit 0.1.0, installed using Python 3.14.0
  These apps are now globally available
    - purlcli
done! ✨ 🌟 ✨

purlcli --help
Traceback (most recent call last):
  File "/Users/mvargena/.local/bin/purlcli", line 3, in <module>
    from purldb_toolkit.purlcli import purlcli
  File "/Users/mvargena/.local/pipx/venvs/purldb-toolkit/lib/python3.14/site-packages/purldb_toolkit/purlcli.py", line 21, in <module>
    from packagedb.package_managers import VERSION_API_CLASSES_BY_PACKAGE_TYPE
ModuleNotFoundError: No module named 'packagedb'

python --version
Python 3.14.0

Mac OS 15.7.1