The standard tip recommends using a higher version .
I do this way, but I think bundler has a specific command for it.
gem 'omniauth' Gemfile. bundle install, gem 'omniauth' Gemfile, .
Gemfile.lock, hashie 2.0.5, .
: ?
omniauth hashie: hashie < 4, >= 1.2, restforce: hashie < 2.1, >= 1.2.0. , hashie 1.2 2.0.x . Gemfile.lock, hassie 3.3.1, "omniauth" Gemfile. restforce , restforce '2.0.5'. , omniauth bundler , .