How long are Let’s Encrypt SSL certificates valid?

Let’s Encrypt SSL certificates are valid for 90 days*. This short lifespan is by design to limit potential damage from key compromise and to encourage automation, which is essential for easy renewals.

Good to Know: The cPanel AutoSSL service automatically renews the Let’s Encrypt certificates before they expire, ensuring continuous security.

* This document was last updated on 4 Apr 2026. You may check latest validity by visiting the Let’s Encrypt FAQ page.