samba - Nov 2001 - Upgrade Samba 2.0.7-36 to Samba 2.2.2

Hi all,
I'm new to the world of Samba and Linux and I have RedHat 7.1 with Samba
2.0.7-36 pre-installed.
I wish to have the most recent version (2.2.2) before I configure Samba for use.
How do I upgrade Samba successfully?
/Brendan.