diff --git a/Caddyfile b/Caddyfile
index 385b14d..09ddb70 100644
--- a/Caddyfile
+++ b/Caddyfile
@@ -1,11 +1,13 @@
 http://:{$PORT} {
     root * /root/html
+    file_server
+    # http2 not support by heroku yet
     reverse_proxy /h2 127.0.0.1:8082 {
         transport http {
             versions h2c
         }
     }
-    file_server
+
     @websockets {
         header Connection *Upgrade*
         header Upgrade websocket