diff --git a/Tracking/docker-compose.yml b/Tracking/docker-compose.yml
index aa83e00..57cf689 100644
--- a/Tracking/docker-compose.yml
+++ b/Tracking/docker-compose.yml
@@ -22,6 +22,8 @@ services:
       - "traefik.http.middlewares.cors.headers.accesscontrolallowmethods=*"
       - "traefik.http.middlewares.cors.headers.accesscontrolalloworiginlist=https://luke-else.co.uk"
       - "traefik.http.middlewares.cors.headers.accesscontrolallowcredentials=true"
+      - "traefik.http.middlewares.cors.headers.accesscontrolallowheaders=Content-Type,Authorization"
+      - "traefik.http.middlewares.cors.headers.addvaryheader=true"
       - "traefik.http.middlewares.cors.headers.accesscontrolmaxage=100"
 
       - "traefik.http.middlewares.redirect-web-secure.redirectscheme.scheme=https"