diff --git a/docker-compose.yml b/docker-compose.yml
index 1e59783e..5b72ed1a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -201,6 +201,7 @@ services:
       - APPFLOWY_MAILER_SMTP_USERNAME=${APPFLOWY_MAILER_SMTP_USERNAME}
       - APPFLOWY_MAILER_SMTP_EMAIL=${APPFLOWY_MAILER_SMTP_EMAIL}
       - APPFLOWY_MAILER_SMTP_PASSWORD=${APPFLOWY_MAILER_SMTP_PASSWORD}
+      - APPFLOWY_MAILER_SMTP_TLS_KIND=${APPFLOWY_MAILER_SMTP_TLS_KIND}
     depends_on:
       postgres:
         condition: service_healthy