diff --git a/deploy/nginx-taxbaik-locations.conf b/deploy/nginx-taxbaik-locations.conf
index 2b59784..58bc15a 100644
--- a/deploy/nginx-taxbaik-locations.conf
+++ b/deploy/nginx-taxbaik-locations.conf
@@ -6,7 +6,8 @@ location /taxbaik {
     proxy_pass         http://127.0.0.1:5001;
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
-    proxy_set_header   Connection $connection_upgrade;
+    proxy_set_header   Connection "Upgrade";
+    proxy_cache_bypass  $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;