rake eslint:run_all does not work

[Frexuz]

rake eslint:run_all

bundle exec rake eslint:run_all
rake aborted!
Don't know how to build task 'eslint:run_all' (see --tasks)
/Users/kristiangerardsson/.rbenv/versions/2.3.1/bin/bundle:23:in `load'
/Users/kristiangerardsson/.rbenv/versions/2.3.1/bin/bundle:23:in `<main>'
(See full trace by running task with --trace)

rake eslint:run works fine.

If changed, please update README.