diff --git a/config/samples/kustomization.yaml b/config/samples/kustomization.yaml
index 71e0bfb..03260e8 100644
--- a/config/samples/kustomization.yaml
+++ b/config/samples/kustomization.yaml
@@ -7,4 +7,5 @@ resources:
   - projectcontour_v1_extentionservice.yaml
   - projectcontour_v1_httpproxy.yaml
   - issuer.yaml
+  - cert-manager_cert.yaml
 #+kubebuilder:scaffold:manifestskustomizesamples