diff --git a/administration/reverse-proxies.en-us.md b/administration/reverse-proxies.en-us.md
index ca066364..c1414837 100644
--- a/administration/reverse-proxies.en-us.md
+++ b/administration/reverse-proxies.en-us.md
@@ -29,6 +29,8 @@ server {
     location / {
         client_max_body_size 512M;
         proxy_pass http://localhost:3000;
+        proxy_set_header Connection $http_connection;
+        proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;