Heroku Labs: Bypass Daily Dyno Restarts for Fir-Generation Apps
Last updated September 09, 2025
By default, dynos restart daily. Fir-generation apps have the option to disable the daily dyno restart behavior.
With this flag enabled, dynos still restart for other reasons such when creating new releases, updating config vars and in case of hardware fault.
Features added through Heroku Labs are experimental and may change without notice. These features are non-SFDC applications. Refer to your Main Services Agreement for additional information.
Enabling
To enable the flag, run this command:
heroku labs:enable fir-bypass-daily-dyno-restarts -a example-app
Disabling
To disable the flag and revert back to the default daily restart behavior, run:
heroku labs:disable fir-bypass-daily-dyno-restarts -a example-app