diff --git a/docker-compose.yml b/docker-compose.yml
index 6b6bbc9b..d3dc7597 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -130,6 +130,7 @@ 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}
       - APPFLOWY_ACCESS_CONTROL=${APPFLOWY_ACCESS_CONTROL}
       - APPFLOWY_DATABASE_MAX_CONNECTIONS=${APPFLOWY_DATABASE_MAX_CONNECTIONS}
       - APPFLOWY_AI_SERVER_HOST=${APPFLOWY_AI_SERVER_HOST}