Unable to activate jwt-0.1.8, because multi_json-1.3.7 conflicts with multi_json (>= 1.5) (Gem::LoadError)

Created by: sulomenon

Unable to activate jwt-0.1.8, because multi_json-1.3.7 conflicts with multi_json (>= 1.5) (Gem::LoadError) from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1163:in activate' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1199:inblock in activate_dependencies' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1185:in each' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1185:inactivate_dependencies' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1167:in activate' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems.rb:181:inrescue in try_activate' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems.rb:178:in try_activate' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:109:inrescue in require' from /home/sato/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:35:in `require'