diff --git a/conf.d/n8n.conf b/conf.d/n8n.conf
index 95e62be..5abf8b4 100644
--- a/conf.d/n8n.conf
+++ b/conf.d/n8n.conf
@@ -12,6 +12,8 @@ server {
     ssl_certificate_key /etc/nginx/private/n8n.psi.ch.key;
 
     location / {
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
         proxy_pass http://n8n:5678;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;