diff --git a/README.md b/README.md
index e868a89fd..4d2fa943c 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ addon | version | summary
 [date_range](date_range/) | 9.0.1.0.0 | Manage all kind of date range
 [dbfilter_from_header](dbfilter_from_header/) | 9.0.1.0.0 | Filter databases with HTTP headers
 [disable_odoo_online](disable_odoo_online/) | 9.0.1.0.0 | Remove odoo.com bindings
+[letsencrypt](letsencrypt/) | 9.0.1.0.0 | Request SSL certificates from letsencrypt.org
 [mail_environment](mail_environment/) | 9.0.1.0.0 | Configure mail servers with server_environment_files
 [server_environment](server_environment/) | 9.0.1.1.0 | move some configurations out of the database
 [server_environment_files_sample](server_environment_files_sample/) | 9.0.1.0.0 | sample config file for server_environment