activesupport fails in block in require 'composite_io'

[turboMaCk]

I have this error after installing GEM (via bundler) to rails 4 project

gems/2.1.0/gems/activesupport-4.1.5/lib/active_support/dependencies.rb:247:in `require': cannot load such file -- composite_io (LoadError)

rails version => '4.1.5'

[simonoff]

@turboMaCk have you tried master branch?

[turboMaCk]

@simonoff same error

here is content of Gemfile.lock

GIT
  remote: https://github.com/dotpromo/nexmos.git
  revision: fa0ab6a8cd6b9daec0362ed8543f127e1aa296fd
  branch: master
  specs:
    nexmos (0.3)
      activesupport (>= 3.0, <= 5.0)
      faraday
      faraday_middleware
      hashie (>= 2.1.0)