diff --git a/docker-compose.yml b/docker-compose.yml
index 75c8d6d..a0e1a54 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -46,7 +46,7 @@ services:
       - "traefik.http.routers.ospp_cloud_im.service=ospp_cloud_im"
       - "traefik.http.services.ospp_cloud_im.loadbalancer.server.port=8072"
       - "traefik.http.middlewares.ospp_cloud_im.compress=true"
-      - "traefik.http.middlewares.ospp_cloud.headers.customrequestheaders.Upgrade=Upgrade"
+      - "traefik.http.middlewares.ospp_cloud.headers.customrequestheaders.Upgrade=websocket"
       - "traefik.http.middlewares.ospp_cloud.headers.customrequestheaders.Connection=Upgrade"
       - "traefik.http.middlewares.ospp_cloud.headers.customrequestheaders.Sec-WebSocket-Version=13"