diff --git a/ts/smartnginx.snippets.ts b/ts/smartnginx.snippets.ts
index d2a3b19..15784f1 100644
--- a/ts/smartnginx.snippets.ts
+++ b/ts/smartnginx.snippets.ts
@@ -74,7 +74,7 @@ export let getBaseConfigString = () => {
 export let getHostConfigString = (hostNameArg: string, destinationIpArg: string) => {
   let hostConfig = plugins.smartstring.indent.normalize(`
 		upstream ${hostNameArg} {
-			keepalive 100;
+			keepalive 15;
 			server ${destinationIpArg};
 		}
 
@@ -92,14 +92,13 @@ export let getHostConfigString = (hostNameArg: string, destinationIpArg: string)
 			server_name ${hostNameArg};
 			ssl_certificate ${paths.nginxHostDirPath}/${hostNameArg}.public.pem;
 			ssl_certificate_key ${paths.nginxHostDirPath}/${hostNameArg}.private.pem;
-
 			location / {
 				proxy_http_version 1.1;
 				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 $scheme;
-				proxy_set_header Connection "Keep-Alive";
+				proxy_set_header Connection "Upgrade";
       	proxy_set_header Proxy-Connection "Keep-Alive";
 				proxy_pass http://${hostNameArg};
 			}