diff --git a/cert-manager/kustomization.yaml b/cert-manager/kustomization.yaml
index bf1697e..a808203 100644
--- a/cert-manager/kustomization.yaml
+++ b/cert-manager/kustomization.yaml
@@ -4,4 +4,5 @@ kind: Kustomization
 namespace: cert-manager
 
 resources:
-- ./base/mziesel-ca.yaml
+  - https://github.com/cert-manager/cert-manager/releases/download/v1.16.1/cert-manager.yaml
+  - ./base/mziesel-ca.yaml