diff --git a/kubernetes/manifests/cert-manager/cluster_issuer.yaml b/kubernetes/manifests/cert-manager/cluster-issuer.yaml
similarity index 60%
rename from kubernetes/manifests/cert-manager/cluster_issuer.yaml
rename to kubernetes/manifests/cert-manager/cluster-issuer.yaml
index 2106353..6aab595 100644
--- a/kubernetes/manifests/cert-manager/cluster_issuer.yaml
+++ b/kubernetes/manifests/cert-manager/cluster-issuer.yaml
@@ -4,15 +4,16 @@ kind: ClusterIssuer
 
 metadata:
   name: letsencrypt
-  namespace: cert-manager
 
 spec:
   acme:
-    email: bradley.reynolds@darbia.dev
+    email: support@vipyrsec.com
     server: https://acme-v02.api.letsencrypt.org/directory
     privateKeySecretRef:
       name: letsencrypt-issuer-account-key
     solvers:
-      - http01:
-          ingress:
-            ingressClassName: nginx
+      - dns01:
+          cloudflare:
+            apiTokenSecretRef:
+              name: cloudflare
+              key: token