diff --git a/mongo/metadata.yml b/mongo/metadata.yml
index b1bee6c..19b777c 100644
--- a/mongo/metadata.yml
+++ b/mongo/metadata.yml
@@ -17,7 +17,7 @@ uses:
       schedule: "47 * * * *"  ## schedule backup every hour
   ## This one is useful only if previous relation is used
   backup:
-    constraint: optional
+    constraint: recommended
     auto: pair
     solves:
       backup: "Automatic regular backups of dumps"