diff --git a/ChangeLog b/ChangeLog
index 0cce9ac5..79ab6b92 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24746,3 +24746,8 @@
 2024-05-02 Fred Gleason <fredg@paravelsystems.com>
 	* Incremented the package version to 4.2.2
 	* Incremented the Python API version to 4.2.2
+2024-05-06 Fred Gleason <fredg@paravelsystems.com>
+	* Added a 'post-test-pypi' target to 'apits/Makefile.am'.
+	* Added 'python3-venv', 'python3-virtualenv',  'python3-build' and
+	'twine' packages to the list of required build packages for
+	Ubuntu 22.04 LTS and Ubuntu 24.04 LTS in 'INSTALL'.
diff --git a/INSTALL b/INSTALL
index e07f6563..7b8d1b3f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -310,7 +310,7 @@ be done by means of the following commands:
 
 5) Ubuntu 22.04 LTS
 
-Required build packages: apache2 libexpat1-dev libexpat1 libid3-dev libcurl4-gnutls-dev libcoverart-dev libdiscid-dev libmusicbrainz5-dev libcdparanoia-dev libsndfile1-dev libpam0g-dev libvorbis-dev python3 python3-pycurl python3-pymysql python3-serial python3-requests libsamplerate0-dev qtbase5-dev libqt5sql5-mysql libqt5webkit5-dev libsoundtouch-dev libsystemd-dev libjack-jackd2-dev libasound2-dev libflac-dev libflac++-dev libmp3lame-dev libmad0-dev libtwolame-dev docbook5-xml libxml2-utils docbook-xsl-ns xsltproc fop make g++ libltdl-dev autoconf automake libssl-dev libtag1-dev qttools5-dev-tools debhelper openssh-server autoconf-archive gnupg pbuilder ubuntu-dev-tools apt-file hpklinux-dev libmagick++-dev
+Required build packages: apache2 libexpat1-dev libexpat1 libid3-dev libcurl4-gnutls-dev libcoverart-dev libdiscid-dev libmusicbrainz5-dev libcdparanoia-dev libsndfile1-dev libpam0g-dev libvorbis-dev python3 python3-pycurl python3-pymysql python3-serial python3-requests python3-venv python3-virtualenv python3-build twine libsamplerate0-dev qtbase5-dev libqt5sql5-mysql libqt5webkit5-dev libsoundtouch-dev libsystemd-dev libjack-jackd2-dev libasound2-dev libflac-dev libflac++-dev libmp3lame-dev libmad0-dev libtwolame-dev docbook5-xml libxml2-utils docbook-xsl-ns xsltproc fop make g++ libltdl-dev autoconf automake libssl-dev libtag1-dev qttools5-dev-tools debhelper openssh-server autoconf-archive gnupg pbuilder ubuntu-dev-tools apt-file hpklinux-dev libmagick++-dev
 
 Configure script invocation: ./configure --prefix=/usr --libdir=/usr/lib --libexecdir=/var/www/rd-bin --sysconfdir=/etc/apache2/conf-enabled --enable-rdxport-debug MUSICBRAINZ_LIBS="-ldiscid -lmusicbrainz5cc -lcoverartcc"
 
@@ -328,7 +328,7 @@ be done by means of the following commands:
 
 6) Ubuntu 24.04 LTS
 
-Required build packages: apache2 libexpat1-dev libexpat1 libid3-dev libcurl4-gnutls-dev libcoverart-dev libdiscid-dev libmusicbrainz5-dev libcdparanoia-dev libsndfile1-dev libpam0g-dev libvorbis-dev python3 python3-pycurl python3-pymysql python3-serial python3-requests libsamplerate0-dev qtbase5-dev libqt5sql5-mysql libqt5webkit5-dev libsoundtouch-dev libsystemd-dev libjack-jackd2-dev libasound2-dev libflac-dev libflac++-dev libmp3lame-dev libmad0-dev libtwolame-dev docbook5-xml libxml2-utils docbook-xsl-ns xsltproc fop make g++ libltdl-dev autoconf automake libssl-dev libtag1-dev qttools5-dev-tools debhelper openssh-server autoconf-archive gnupg pbuilder ubuntu-dev-tools apt-file hpklinux-dev libmagick++-dev
+Required build packages: apache2 libexpat1-dev libexpat1 libid3-dev libcurl4-gnutls-dev libcoverart-dev libdiscid-dev libmusicbrainz5-dev libcdparanoia-dev libsndfile1-dev libpam0g-dev libvorbis-dev python3 python3-pycurl python3-pymysql python3-serial python3-requests python3-venv python3-virtualenv python3-build twine libsamplerate0-dev qtbase5-dev libqt5sql5-mysql libqt5webkit5-dev libsoundtouch-dev libsystemd-dev libjack-jackd2-dev libasound2-dev libflac-dev libflac++-dev libmp3lame-dev libmad0-dev libtwolame-dev docbook5-xml libxml2-utils docbook-xsl-ns xsltproc fop make g++ libltdl-dev autoconf automake libssl-dev libtag1-dev qttools5-dev-tools debhelper openssh-server autoconf-archive gnupg pbuilder ubuntu-dev-tools apt-file hpklinux-dev libmagick++-dev
 
 Configure script invocation: ./configure --prefix=/usr --libdir=/usr/lib --libexecdir=/var/www/rd-bin --sysconfdir=/etc/apache2/conf-enabled --enable-rdxport-debug MUSICBRAINZ_LIBS="-ldiscid -lmusicbrainz5cc -lcoverartcc"
 
diff --git a/apis/Makefile.am b/apis/Makefile.am
index 53634374..682efe81 100644
--- a/apis/Makefile.am
+++ b/apis/Makefile.am
@@ -43,6 +43,9 @@ pypi:
 post-pypi:	
 	python3 -m twine upload --repository pypi *.tar.gz *.whl
 
+post-test-pypi:	
+	python3 -m twine upload --repository testpypi *.tar.gz *.whl
+
 EXTRA_DIST = pyproject.toml\
              setup.cfg.in