diff --git a/cli/proxy.go b/cli/proxy.go
index e091698b..af1af275 100644
--- a/cli/proxy.go
+++ b/cli/proxy.go
@@ -95,6 +95,9 @@ server {
         proxy_set_header   Host $http_host;
         proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header   X-Forwarded-Proto $scheme;
+        proxy_http_version 1.1;
+        proxy_set_header   Upgrade $http_upgrade;
+        proxy_set_header   Connection "Upgrade";
     }
 
 	#well-known