diff --git a/configuration_sample.php b/configuration_sample.php
index 3aaa3fea..0a9ba5eb 100644
--- a/configuration_sample.php
+++ b/configuration_sample.php
@@ -48,6 +48,7 @@ function () {
                     return new \Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage([
                             "cookie_samesite" => "Lax",
                             "cookie_secure" => null,
+                            "cookie_httponly" => true,
                         ], $handler);
                 },
             ],