Let’s Encrypt to Reduce Certificate Validity from 90 Days to 45 Days Let’s Encrypt has officially announced plans to reduce the maximum validity period of its SSL/TLS certificates from 90 days to 45 days. Est. reading time: 3 minutes Will this imp…

iirc all the let’s encrypt clients have some kind of automation to check for certificates expiring in the next n days and automatically renewing them. So by that logic there shouldn’t be any impact.

is this done by a cron job, rather than a sidekiq task ?

Yes, it is handled by acme.sh which sets up its own cronjob.

Let’s Encrypt to Reduce Certificate Validity from 90 Days to 45 Days

Support Self-hosting

one1 December 9, 2025, 9:32am 5

Thanks all! Good to know

Topic		Replies	Views
Https certificates valid period Self-hosting	4	474	July 6, 2021
How to renew Let's Encrypt? Support	13	4513	January 20, 2021
Let's encrypt not renewing Bug	1	1195	March 31, 2017
What exactly is Let's Encrypt email used for? Support letsencrypt	3	468	January 20, 2026
[PAID] Need help to Install SSL Marketplace	10	1358	July 14, 2017

Let’s Encrypt to Reduce Certificate Validity from 90 Days to 45 Days

Related topics