Managing SSH Keys | Heroku Dev CenterLast updated September 08, 2025 You must configure SSH keys to run the following Heroku CLI commands: heroku ps:exec to enable tunneling for Cedar-generation Private Spaces apps heroku run commands for Fir-generation Private Spaces apps. Support for SSH Git transport ended November 30, 2021. Update the Git remote for apps that currently use SSH as the Git transport to prevent errors when deploying
