diff --git a/src/mail_templates/box_update_available.ejs b/src/mail_templates/box_update_available.ejs
index ee275c53c..77975cc7b 100644
--- a/src/mail_templates/box_update_available.ejs
+++ b/src/mail_templates/box_update_available.ejs
@@ -2,7 +2,7 @@
 
 Dear Admin,
 
-A new version of Cloudron <%= fqdn %> is available!
+Version <%= newBoxVersion %> of Cloudron <%= fqdn %> is now available!
 
 Your Cloudron will update automatically tonight. Alternately, update immediately at <%= webadminUrl %>.