diff --git a/kustomization.yaml b/kustomization.yaml
index cdd2da9..26613ff 100644
--- a/kustomization.yaml
+++ b/kustomization.yaml
@@ -7,6 +7,9 @@ resources:
 - provider-configs.yaml
 - external-dns.yaml
 
+# Certificate management
+- cert-manager/
+
 # Applications
 - forgejo-k8s.yaml
 - pomerium.yaml