Error creating formatter: CircleCICucumberFormatter::CircleCIJson

Just started getting this error on my branch that is upgrading my testing stack.

bundle exec cucumber --format CircleCICucumberFormatter::CircleCIJson --out /tmp/circle-junit.4O0C1lX/cucumber/cucumber.cucumber
...
cannot load such file -- circle_ci_cucumber_formatter/circle_ci_json
Error creating formatter: CircleCICucumberFormatter::CircleCIJson (LoadError)

Perhaps something to do with upgrading Cucumber from 2.4 to 3.0.1

This may help you. https://github.com/circleci/cucumber-formatter/pull/6