diff --git a/config/certmanager/certificate.yaml b/config/certmanager/certificate.yaml
index 58db114..cd56029 100644
--- a/config/certmanager/certificate.yaml
+++ b/config/certmanager/certificate.yaml
@@ -1,8 +1,7 @@
 # The following manifests contain a self-signed issuer CR and a certificate CR.
 # More document can be found at https://docs.cert-manager.io
-# WARNING: Targets CertManager 0.11 check https://docs.cert-manager.io/en/latest/tasks/upgrading/index.html for 
-# breaking changes
-apiVersion: cert-manager.io/v1alpha2
+# WARNING: Targets CertManager 1.7
+apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:
   name: selfsigned-issuer
@@ -10,7 +9,7 @@ metadata:
 spec:
   selfSigned: {}
 ---
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: serving-cert  # this name should match the one appeared in kustomizeconfig.yaml