diff --git a/docker-compose.yml b/docker-compose.yml
index a2f4920..845e6f7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,6 +22,7 @@ services:
       MAIL_FROM: "${MAIL_FROM}"
       MAIL_TO: "${MAIL_TO}"
       MAIL_SEND_HOUR: "${MAIL_SEND_HOUR:-7}"
+      TIMEZONE: "${TIMEZONE:-Europe/Berlin}"
       WEB_URL: "${WEB_URL:-}"
     volumes:
       - ./config/accounts.json:/app/config/accounts.json:ro
@@ -50,6 +51,7 @@ services:
       AUTH_REMOTE_USER_HEADER: "${AUTH_REMOTE_USER_HEADER:-Remote-User}"
       API_HOST: "${API_HOST:-0.0.0.0}"
       API_PORT: "${API_PORT:-8000}"
+      TIMEZONE: "${TIMEZONE:-Europe/Berlin}"
       WEB_URL: "${WEB_URL:-}"
     volumes:
       - ./config/accounts.json:/app/config/accounts.json:ro