diff --git a/mod.conf b/mod.conf
index 020735f..7e9f894 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = mail
 description = mail mod
-optional_depends = unified_inventory,default,xban2
+optional_depends = unified_inventory,default,xban2,qos