diff --git a/docker-compose.yml b/docker-compose.yml
index bf6bd0a..533eb7f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,7 @@ services:
       - ./data:/data
       - /etc/localtime:/etc/localtime:ro
     environment:
+      - TZ=America/Denver
       - DATABASE_URL=${DATABASE_URL}
       - ADMIN_TOKEN=${ADMIN_TOKEN}
       - SIGNUPS_ALLOWED=false