VirtualBox Guest Additions upgrade in vvv osx

vagrant-vbguest

vagrant-vbguest is a Vagrant plugin which automatically installs the host’s VirtualBox Guest Additions on the guest system.

Installation

Requires vagrant 0.9.4 or later (including 1.x)

Vagrant ≥ 1.1

from https://github.com/dotless-de/vagrant-vbguest