diff --git a/site/config/config.php b/site/config/config.php
index 4122079..a466c5f 100644
--- a/site/config/config.php
+++ b/site/config/config.php
@@ -9,4 +9,5 @@
  */
 return [
     'debug' => true,
+    'yaml.handler' => 'symfony',
 ];