diff --git a/nginx-reverse-proxy/default.conf b/nginx-reverse-proxy/default.conf
index 8e07f52..7e2d1e3 100644
--- a/nginx-reverse-proxy/default.conf
+++ b/nginx-reverse-proxy/default.conf
@@ -72,6 +72,7 @@ server {
 server {
   listen 80;
   listen 443;
+  listen [::]:443;
   server_name cloud.colindiem.com;
   ssl on;
 
@@ -81,6 +82,8 @@ server {
 
   location / {
     include /etc/nginx/includes/proxy.conf;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "upgrade";
     proxy_pass https://192.168.1.202:9443;
     proxy_redirect http://192.168.1.202:9443/ https://cloud.colindiem.com/;
   }