May I know how to update pkgtools

[Pauk Sa <ko_(_dot_)_pauk_(_dot_)_sa_(_at_)_gmail_(_dot_)_com>]

Hi,

I am noob for openbsd. I want to update pkgtools in my openbsd 3.6. I
tried to search google and I am at no where. I would really appreciate
if anybody point me some direction.

Best regards
pauk