diff --git a/site-cookbooks/kosmos-base/recipes/default.rb b/site-cookbooks/kosmos-base/recipes/default.rb
index 7d97f3c..40521e0 100644
--- a/site-cookbooks/kosmos-base/recipes/default.rb
+++ b/site-cookbooks/kosmos-base/recipes/default.rb
@@ -32,6 +32,7 @@ include_recipe 'kosmos-base::systemd_emails'
 
 node.override["apt"]["unattended_upgrades"]["enable"] = true
 node.override["apt"]["unattended_upgrades"]["mail_only_on_error"] = false
+node.override["apt"]["unattended_upgrades"]["sender"] = "ops@kosmos.org"
 node.override["apt"]["unattended_upgrades"]["allowed_origins"] = [
   "${distro_id}:${distro_codename}-security",
   "${distro_id}:${distro_codename}-updates"