diff --git a/data-viewer/srv/data-service.cds b/data-viewer/srv/data-service.cds
index 0db76c4d..0420d309 100644
--- a/data-viewer/srv/data-service.cds
+++ b/data-viewer/srv/data-service.cds
@@ -1,7 +1,7 @@
 /**
  * Exposes data + entity metadata
  */
-//@requires:'admin'
+@requires:'authenticated-user'
 service DataService @( path:'-data' ) {
 
   /**