diff --git a/script/setup-app b/script/setup-app
index 047a1fd..bc38dfe 100755
--- a/script/setup-app
+++ b/script/setup-app
@@ -84,7 +84,7 @@ EOS
 
   ssl_session_timeout 5m;
 
-  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+  ssl_protocols TLSv1.2 TLSv1.3;
   ssl_ciphers HIGH:!aNULL:!MD5;
   ssl_prefer_server_ciphers on;
 EOS