diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index e679080..44ed27c 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -34,3 +34,4 @@
 
 '^internal-.+-test-cs-[0-9]+\.cdn\.sunet\.se$':
   sunet::certbot::acmed:
+  sunet::certbot::sync::server: