diff --git a/template/cert-manager/cert-manager-certificate.template.yaml b/template/cert-manager/cert-manager-certificate.template.yaml
index 09d5a1b..a5b05e7 100644
--- a/template/cert-manager/cert-manager-certificate.template.yaml
+++ b/template/cert-manager/cert-manager-certificate.template.yaml
@@ -7,6 +7,7 @@ spec:
     dnsNames:
         - ${DOMAIN}
         - ${API_DOMAIN}
+        - ${STORAGE_API_DOMAIN}
     secretName: letsencrypt-cluster-certificate-tls
     issuerRef:
         name: cluster-certificate-issuer