2.2.1
== [release-2-2-1] 2.2.1: 2022-09-29
=== Package
==== Fixes
* deb: Fixed an upgrade failure.
[GitHub#176][Reported by Kazuhiro NISHIYAMA]
=== Python
==== Fixes
* Fixed a bug that milter client doesn't work with Python 3.8.
=== Thanks
* Kazuhiro NISHIYAMA