diff --git a/README.md b/README.md
index b71ac56..f341fd8 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ Available addons
 ----------------
 addon | version | maintainers | summary
 --- | --- | --- | ---
+[mail_environment](mail_environment/) | 15.0.1.0.0 |  | Configure mail servers with server_environment_files
 [server_environment](server_environment/) | 15.0.1.0.1 |  | move some configurations out of the database
 [server_environment_ir_config_parameter](server_environment_ir_config_parameter/) | 15.0.1.0.0 |  | Override System Parameters from server environment file