diff --git a/compose/traefik/traefik.yml b/compose/traefik/traefik.yml
index 15c4d16..a7e6460 100644
--- a/compose/traefik/traefik.yml
+++ b/compose/traefik/traefik.yml
@@ -263,7 +263,8 @@ http:
       middlewares:
         - csrf
       service: emqx-web-socket-secure
-      tls: {}
+      tls:
+        certResolver: letsencrypt
 
     mqttx-router:
       rule: "Host(`mqttx.furyhawk.lol`)"