diff --git a/manifests/install/namespace.yaml b/manifests/install/namespace.yaml
index c00a4321ea..c2b5961db8 100644
--- a/manifests/install/namespace.yaml
+++ b/manifests/install/namespace.yaml
@@ -2,3 +2,6 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: flux-system
+  labels:
+    pod-security.kubernetes.io/warn: restricted
+    pod-security.kubernetes.io/warn-version: latest
diff --git a/pkg/manifestgen/install/templates.go b/pkg/manifestgen/install/templates.go
index 8cdce3193d..ac47cf27aa 100644
--- a/pkg/manifestgen/install/templates.go
+++ b/pkg/manifestgen/install/templates.go
@@ -165,6 +165,9 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: {{.Namespace}}
+  labels:
+    pod-security.kubernetes.io/warn: restricted
+    pod-security.kubernetes.io/warn-version: latest
 `
 
 func execTemplate(obj interface{}, tmpl, filename string) error {