diff --git a/basic/apps/dev/gitea-values-configmap.yaml b/basic/apps/dev/gitea-values-configmap.yaml
index f2bad1f..6de94c3 100644
--- a/basic/apps/dev/gitea-values-configmap.yaml
+++ b/basic/apps/dev/gitea-values-configmap.yaml
@@ -10,7 +10,7 @@ data:
       enabled: true
       annotations:
         kubernetes.io/tls-acme: "true"
-        certmanager.k8s.io/cluster-issuer: letsencrypt-issuer-staging
+        cert-manager.io/cluster-issuer: letsencrypt-issuer-staging
       hosts:
         - host: "dev.${domain}"
           paths:
diff --git a/basic/apps/do/vikunja-values-configmap.yaml b/basic/apps/do/vikunja-values-configmap.yaml
index 70ff3db..7e7fd97 100644
--- a/basic/apps/do/vikunja-values-configmap.yaml
+++ b/basic/apps/do/vikunja-values-configmap.yaml
@@ -29,7 +29,7 @@ data:
         primary: false
         annotations:
           kubernetes.io/tls-acme: "true"
-          certmanager.k8s.io/cluster-issuer: letsencrypt-issuer-staging
+          cert-manager.io/cluster-issuer: letsencrypt-issuer-staging
         hosts:
           - host: "do.${domain}"
             paths:
diff --git a/basic/apps/people/suitecrm-values-configmap.yaml b/basic/apps/people/suitecrm-values-configmap.yaml
index 6d90d96..6b44d97 100644
--- a/basic/apps/people/suitecrm-values-configmap.yaml
+++ b/basic/apps/people/suitecrm-values-configmap.yaml
@@ -10,7 +10,7 @@ data:
       enabled: true
       annotations:
         kubernetes.io/tls-acme: "true"
-        certmanager.k8s.io/cluster-issuer: letsencrypt-issuer-staging
+        cert-manager.io/cluster-issuer: letsencrypt-issuer-staging
       hostname: "people.${domain}"
       tls: true
       #  - secretName: suitecrm-tls