diff --git a/README.md b/README.md
index a5ffedb3c..b7961d7f0 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ addon | version | maintainers | summary
 [fetchmail_incoming_log](fetchmail_incoming_log/) | 15.0.1.0.0 |  | Log all messages received, before they start to be processed.
 [fetchmail_notify_error_to_sender](fetchmail_notify_error_to_sender/) | 15.0.1.0.0 |  | If fetching mails gives error, send an email to sender
 [html_text](html_text/) | 15.0.1.0.0 |  | Generate excerpts from any HTML field
+[letsencrypt](letsencrypt/) | 15.0.1.0.0 |  | Request SSL certificates from letsencrypt.org
 [module_auto_update](module_auto_update/) | 15.0.1.0.0 |  | Automatically update Odoo modules
 [onchange_helper](onchange_helper/) | 15.0.1.0.1 |  | Technical module that ease execution of onchange in Python code
 [upgrade_analysis](upgrade_analysis/) | 15.0.2.0.0 | [![StefanRijnhart](https://github.com/StefanRijnhart.png?size=30px)](https://github.com/StefanRijnhart) [![legalsylvain](https://github.com/legalsylvain.png?size=30px)](https://github.com/legalsylvain) | Performs a difference analysis between modules installed on two different Odoo instances