diff --git a/personal/vuko/shells/prod.jsonnet b/personal/vuko/shells/prod.jsonnet
index 463087e..ed04483 100644
--- a/personal/vuko/shells/prod.jsonnet
+++ b/personal/vuko/shells/prod.jsonnet
@@ -141,7 +141,7 @@
         metadata+: shells.metadata("frontend") {
             annotations+: {
                 "kubernetes.io/tls-acme": "true",
-                "certmanager.k8s.io/cluster-issuer": "letsencrypt-prod",
+                "cert-manager.io/cluster-issuer": "letsencrypt-prod",
             },
         },
         spec+: {