diff --git a/core/nginx/conf/proxy.conf b/core/nginx/conf/proxy.conf
index 3e3710b9..5a182ea8 100644
--- a/core/nginx/conf/proxy.conf
+++ b/core/nginx/conf/proxy.conf
@@ -3,3 +3,4 @@ proxy_set_header Host $http_host;
 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 $proxy_x_forwarded_proto;
+proxy_http_version 1.1;