[michael@localhost local]$ vagrant --version
Vagrant 2.2.9
[michael@localhost local]$ vagrant plugin install vagrant-disksize
Installing the 'vagrant-disksize' plugin. This can take a few minutes...
Vagrant failed to properly resolve required dependencies. These
errors can commonly be caused by misconfigured plugin installations
or transient network issues. The reported error is:
conflicting dependencies racc (= 1.4.16) and racc (= 1.5.1)
Activated racc-1.5.1
which does not match conflicting dependency (= 1.4.16)
Conflicting dependency chains:
racc (= 1.5.1), 1.5.1 activated
versus:
racc (= 1.4.16)
Gems matching racc (= 1.4.16):
racc-1.4.16