Hello. I received the email that tells me to update my certbot because of the ACMEv1 protocol. But, which version i need? And how can i upgrade it in debian 9? Because i already updated to the lates available version (0.28) but i’m still receiving this email. Before the email i had a version like…

[Debian 9 / Certbot 0.28.0] Update your client software to continue using Let's Encrypt

9peppe March 11, 2020, 11:48am 2

You need to upgrade ACME protocol version, not certbot version.

Topic		Replies	Views
Update your client software to continue using Let's Encrypt Help	10	2691	March 1, 2020
CERTBOT and ACMEV2 upgrade Help	5	1829	March 6, 2020
Debian jessie Certbot still using AcmeV1 (CertbotACMEClient/1.3.0)? Help	5	2264	June 14, 2020
Certbot upgrade to support ACMEv2 Help	34	26397	February 15, 2020
Upgrade to ACMEv2 Client Help	4	909	March 26, 2020