Emily Huang
Software Engineering MTS at Heroku
Heroku Staff
- News
- Last Updated: March 06, 2026
- Emily Huang
The web browser and certificate authority industry is shortening the maximum allowed lifetime of TLS certificates. These changes will improve security on the Web, but you may have to change certificate maintenance practices for apps you run on Heroku.
The good news is that if you’re using Heroku Automated Certificate Management, no changes are required: Heroku already refreshes and updates certificates on your apps according to the new policies.
If you maintain and upload …
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