diff --git a/app/config/config.yml b/app/config/config.yml
index 04607b68c..2155a2017 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -29,6 +29,7 @@ framework:
         # handler_id set to null will use default session handler from php.ini
         handler_id: session.handler.native_file
         save_path: "%kernel.project_dir%/var/sessions/%kernel.environment%"
+        cookie_secure: auto
     fragments: ~
     http_method_override: true
     assets: ~