diff --git a/deploy/varnish/default.vcl.template b/deploy/varnish/default.vcl.template
index 7a8d90c..32373dc 100644
--- a/deploy/varnish/default.vcl.template
+++ b/deploy/varnish/default.vcl.template
@@ -88,6 +88,9 @@ sub vcl_pipe {
   }
   # WAŻNE: backend nie może reuse połączenia po WS
   set bereq.http.connection = "close";
+
+  set bereq.http.Ping-Interval = "25s";
+  set bereq.http.Ping-Timeout = "60s";
 }
 
 # ===== HASH =====