$ brew install --force heroku Warning: heroku 6.15.37 is already installed The currently linked version is 6.15.39 You can use `brew switch heroku 6.15.37` to link this version. [t]2018-03-24 15:09:32
$ brew install --force heroku Warning: heroku 6.15.37 is already installed The currently linked version is 6.15.39 You can use `brew switch heroku 6.15.37` to link this version. [t]2018-03-24 15:09:32
$ brew switch heroku 6.15.37 Cleaning /usr/local/Cellar/heroku/6.15.37 Cleaning /usr/local/Cellar/heroku/6.15.39 1 links created for /usr/local/Cellar/heroku/6.15.37
