diff --git a/docker-compose.yml b/docker-compose.yml
index e15852c..1e29d13 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -45,6 +45,7 @@ services:
       GITEA__oauth2_client__ACCOUNT_LINKING: login
       GITEA__oauth2_client__USERNAME: nickname
       GITEA__openid__ENABLE_OPENID_SIGNIN: false
+      GITEA__service__ENABLE_NOTIFY_MAIL: true
       GITEA__service__DISABLE_REGISTRATION: false
       GITEA__service__ALLOW_ONLY_EXTERNAL_REGISTRATION: true
       GITEA__service__DEFAULT_ALLOW_CREATE_ORGANIZATION: false