installer: keep namespaces on delete
diff --git a/charts/namespaces/templates/namespace.yaml b/charts/namespaces/templates/namespace.yaml
index af19d22..3d1aa32 100644
--- a/charts/namespaces/templates/namespace.yaml
+++ b/charts/namespaces/templates/namespace.yaml
@@ -7,5 +7,7 @@
   name: {{ $prefix }}{{ . }}
   labels:
     pcloud-instance-id: {{ $id }}
+  annotations:
+    helm.sh/resource-policy: keep
 ---
 {{ end }}