500 Internal Server Error after bin/gpm selfupgrade

Just tried to upgrade to upgrade to v1.1.1 and got the following error in my terminal. How should I proceed?

Preparing to upgrade to v1.1.1..
|- Downloading upgrade [2.21M]... 100%
|- Installing upgrade... ok
'- Success!

[Whoops\Exception\ErrorException]
include(/home/pclworks/public_html/vendor/symfony/console/Symfony/Comp onent/Console/Input/ArrayInput.php): failed to open strea
m: No such file or directory

self-upgrade [-f|--force] [-y|--all-yes]

Thanks,

Brad

I'm guessing you are coming from an old version? https://twitter.com/getgrav/status/611003542900346880