Let’s Encrypt Cuts TLS Certificate Lifetimes From 90 to 64 Days Starting February 2027

Let’s Encrypt will cut its default TLS certificate lifetime from 90 days to 64 days on February 10, 2027, giving website operators less time between renewals. The change applies to certificates issued or renewed from that date, while subscribers can still choose shorter certificate profiles offering 45 days or roughly six days. Let’s Encrypt Certificate Lifetime According to the October 7 announcement published by Let’s Encrypt, the nonprofit certificate authority confirmed the schedule. Existing certificates will remain valid until their normal expiry dates, and Let’s Encrypt will not revoke them as part of the transition. It expects the final 90-day certificate to expire on May 11, 2027. The shorter lifetime limits...

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