rake failure

gistfile1.txt

rake aborted!
Gem::LoadError: You have already activated rake 12.0.0, but your Gemfile requires rake 11.3.0. Prepending `bundle exec` to your command may solve this.
/home/naltun/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/runtime.rb:317:in `check_for_activated_spec!'
/home/naltun/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/runtime.rb:32:in `block in setup'
/home/naltun/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/runtime.rb:27:in `map'
/home/naltun/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/runtime.rb:27:in `setup'
/home/naltun/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler.rb:101:in `setup'
/home/naltun/.rvm/gems/ruby-2.4.1/gems/bundler-1.15.4/lib/bundler/setup.rb:9:in `<top (required)>'
/home/naltun/manageiq/config/boot.rb:6:in `<top (required)>'
/home/naltun/manageiq/config/application.rb:1:in `<top (required)>'
/home/naltun/manageiq/Rakefile:5:in `<top (required)>'
/home/naltun/.rvm/gems/ruby-2.4.1@global/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
/home/naltun/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `eval'
/home/naltun/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `<main>'
LoadError: cannot load such file -- bundler/setup
/home/naltun/manageiq/config/boot.rb:6:in `<top (required)>'
/home/naltun/manageiq/config/application.rb:1:in `<top (required)>'
/home/naltun/manageiq/Rakefile:5:in `<top (required)>'
/home/naltun/.rvm/gems/ruby-2.4.1@global/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
/home/naltun/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `eval'
/home/naltun/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `<main>'
(See full trace by running task with --trace)