diff --git a/templates/clusterissuer.yml.j2 b/templates/clusterissuer.yml.j2
index 8a0caaa..d077982 100644
--- a/templates/clusterissuer.yml.j2
+++ b/templates/clusterissuer.yml.j2
@@ -1,5 +1,5 @@
 ---
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
   name: letsencrypt-prod