current version in portage is 2.2.5
commit 164be846fbd618f85f363437f7a5b48d0389fbdb Author: Jeroen Roovers <jer@gentoo.org> Date: Tue Aug 7 09:06:51 2018 +0200 net-firewall/psad: Version 2.4.6. Package-Manager: Portage-2.3.44, Repoman-2.3.10