diff --git a/apps/base/cert-manager/clusterissuer_letsencrypt-staging.yaml b/apps/base/cert-manager/clusterissuer_letsencrypt-staging.yaml
new file mode 100644
index 0000000..03e7600
--- /dev/null
+++ b/apps/base/cert-manager/clusterissuer_letsencrypt-staging.yaml
@@ -0,0 +1,20 @@
+---
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt-staging
+spec:
+  acme:
+    server: https://acme-staging-v02.api.letsencrypt.org/directory
+    email: admin@unkin.net
+    privateKeySecretRef:
+      name: letsencrypt-staging-account-key
+    solvers:
+      - dns01:
+          rfc2136:
+            nameserver: "198.18.199.53:53"
+            tsigKeyName: certmanager
+            tsigAlgorithm: HMACSHA256
+            tsigSecretSecretRef:
+              name: certmanager-tsig
+              key: secret
diff --git a/apps/base/cert-manager/clusterissuer_letsencrypt.yaml b/apps/base/cert-manager/clusterissuer_letsencrypt.yaml
new file mode 100644
index 0000000..b2950c7
--- /dev/null
+++ b/apps/base/cert-manager/clusterissuer_letsencrypt.yaml
@@ -0,0 +1,20 @@
+---
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt
+spec:
+  acme:
+    server: https://acme-v02.api.letsencrypt.org/directory
+    email: admin@unkin.net
+    privateKeySecretRef:
+      name: letsencrypt-account-key
+    solvers:
+      - dns01:
+          rfc2136:
+            nameserver: "198.18.199.53:53"
+            tsigKeyName: certmanager
+            tsigAlgorithm: HMACSHA256
+            tsigSecretSecretRef:
+              name: certmanager-tsig
+              key: secret
diff --git a/apps/base/cert-manager/kustomization.yaml b/apps/base/cert-manager/kustomization.yaml
index f1fcada..33e1bc4 100644
--- a/apps/base/cert-manager/kustomization.yaml
+++ b/apps/base/cert-manager/kustomization.yaml
@@ -8,3 +8,5 @@ resources:
   - clusterrole.yaml
   - clusterrolebinding.yaml
   - vmservicescrape.yaml
+  - clusterissuer_letsencrypt.yaml
+  - clusterissuer_letsencrypt-staging.yaml
diff --git a/argocd/projects/platform.yaml b/argocd/projects/platform.yaml
index 1eabece..da8742d 100644
--- a/argocd/projects/platform.yaml
+++ b/argocd/projects/platform.yaml
@@ -84,6 +84,8 @@ spec:
       kind: Certificate
     - group: 'cert-manager.io'
       kind: Issuer
+    - group: 'cert-manager.io'
+      kind: ClusterIssuer
     - group: 'gateway.networking.k8s.io'
       kind: GatewayClass
     - group: 'networking.k8s.io'