diff --git a/apps/push-serverless/vm/etc/nginx/conf.d/knzklive.conf b/apps/push-serverless/vm/etc/nginx/conf.d/knzklive.conf
index 5857599e..3bebc609 100644
--- a/apps/push-serverless/vm/etc/nginx/conf.d/knzklive.conf
+++ b/apps/push-serverless/vm/etc/nginx/conf.d/knzklive.conf
@@ -1,3 +1,8 @@
+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      close;
+}
+
 server {
     listen 80;
     listen [::]:80;
@@ -34,6 +39,8 @@ server {
     location /api/externals/ {
         proxy_pass http://localhost:8000;
         proxy_set_header Host $host;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;