diff --git a/deployment/kubernetes/templates/issuer/letsencrypt-production.yaml b/deployment/kubernetes/templates/issuer/letsencrypt-production.yaml
index 2836cce..6f82f36 100644
--- a/deployment/kubernetes/templates/issuer/letsencrypt-production.yaml
+++ b/deployment/kubernetes/templates/issuer/letsencrypt-production.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
   name: letsencrypt-production
diff --git a/deployment/kubernetes/templates/issuer/letsencrypt-staging.yaml b/deployment/kubernetes/templates/issuer/letsencrypt-staging.yaml
index 7190e65..e488d93 100644
--- a/deployment/kubernetes/templates/issuer/letsencrypt-staging.yaml
+++ b/deployment/kubernetes/templates/issuer/letsencrypt-staging.yaml
@@ -1,4 +1,4 @@
-apiVersion: cert-manager.io/v1alpha2
+apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
   name: letsencrypt-staging