diff --git a/global/overlay/etc/puppet/manifests/cosmos-site.pp b/global/overlay/etc/puppet/manifests/cosmos-site.pp
index ace1b48e..31eab420 100644
--- a/global/overlay/etc/puppet/manifests/cosmos-site.pp
+++ b/global/overlay/etc/puppet/manifests/cosmos-site.pp
@@ -155,6 +155,12 @@ class md_repo_client {
 
 class md_signer {
    package { ['make']: ensure => latest }
+   sunet::scriptherder::cronjob { 'verify_and_update':
+      cmd           => 'cd /var/cache/metadata_r1 && make update',
+      minute        => '*/5',
+      ok_criteria   => ['exit_status=0', 'max_age=15m'],
+      warn_criteria => ['exit_status=0', 'max_age=1h'],
+   }
 }
 
 class md_repo_server($hostname) {