diff --git a/certmanager/src/kustomization.yaml b/certmanager/src/kustomization.yaml
index c7525d8..57d7560 100644
--- a/certmanager/src/kustomization.yaml
+++ b/certmanager/src/kustomization.yaml
@@ -7,4 +7,5 @@ helmCharts:
     repo: https://charts.jetstack.io
     version: 1.17.0
     releaseName: cert-manager
+    namespace: cert-manager
     valuesFile: values.yaml