diff --git a/conf/nginx.conf b/conf/nginx.conf
index 5b8e8e1..86e588b 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -9,6 +9,8 @@ location __PATH__/ {
   proxy_set_header   Host $host:$server_port; #this redirects the link without port no
   proxy_set_header   X-Real-IP        $remote_addr;
   proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
+  proxy_set_header   Upgrade          $http_upgrade;
+  proxy_set_header   Connection       "Upgrade";
 
   proxy_max_temp_file_size 0;
   proxy_connect_timeout      90;