diff --git a/modules/secret/secrets/certificates/certificate.manifests.d/puppetboard.certs.yaml b/modules/secret/secrets/certificates/certificate.manifests.d/puppetboard.certs.yaml
index 0a0ec0be..0bbcb24e 100644
--- a/modules/secret/secrets/certificates/certificate.manifests.d/puppetboard.certs.yaml
+++ b/modules/secret/secrets/certificates/certificate.manifests.d/puppetboard.certs.yaml
@@ -1,7 +1,7 @@
-  alt_names: ["puppetboard.discovery.wmnet","puppetboard.svc.eqiad.wmnet","puppetboard.svc.codfw.wmnet","puppetboard1001.eqiad.wmnet","puppetboard1004.eqiad.wmnet","puppetboard2001.codfw.wmnet","puppetboard.wikimedia.org"]
+  alt_names: ["puppetboard.discovery.wmnet","puppetboard.svc.eqiad.wmnet","puppetboard.svc.codfw.wmnet","puppetboard1001.eqiad.wmnet","puppetboard1004.eqiad.wmnet","puppetboard2001.codfw.wmnet","puppetboard.wikimedia.org", "cas-puppetboard.wikimedia.org"]