diff --git a/frontend/nginx.conf b/frontend/nginx.conf
index 6257c19..fd27eaf 100644
--- a/frontend/nginx.conf
+++ b/frontend/nginx.conf
@@ -22,5 +22,8 @@ server {
 
     location /socket.io {
         proxy_pass http://api_upstream;
+        proxy_pass_request_headers on;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
     }
 }