diff --git a/nginx.conf.tmpl b/nginx.conf.tmpl
index f391b22..9e4c4fc 100644
--- a/nginx.conf.tmpl
+++ b/nginx.conf.tmpl
@@ -28,6 +28,10 @@ server {
   }
 
   location / {
+    if ($scheme = http) {
+      rewrite ^ https://$server_name$request_uri? permanent;
+    }
+
     try_files /dev/null @api;
   }