diff --git a/argocd/apps/cert-manager/include/plane-tls.yaml b/argocd/apps/cert-manager/include/plane-tls.yaml
new file mode 100644
index 0000000..c4d43dd
--- /dev/null
+++ b/argocd/apps/cert-manager/include/plane-tls.yaml
@@ -0,0 +1,12 @@
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: plane-tls
+  namespace: plane
+spec:
+  secretName: plane-tls
+  issuerRef:
+    name: lets-encrypt
+    kind: ClusterIssuer
+  dnsNames:
+    - plane.innovation-hub-niedersachsen.de