TLS-SNI-01 validation is reaching end-of-life

Received this email from letsencrypt.org:

TLS-SNI-01 validation is reaching end-of-life.
You need to update your ACME client to use an alternative validation
method (HTTP-01, DNS-01 or TLS-ALPN-01) before this date or your
certificate renewals will break and existing certificates will start to
expire.

what we have to do, is there any inside dietpi solution?