$ bundle install --path vendor/bundle Fetching gem metadata from https://rubygems.org/......... Fetching gem metadata from https://rubygems.org/.. Resolving dependencies... Gem::RemoteFetcher::FetchError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://s3.amazonaws.com/production.s3.rubygems.org/gems/mini_portile-0.5.1.gem) An error occurred