update
diff --git a/charts/longhorn/templates/network-policies/webhook-network-policy.yaml b/charts/longhorn/templates/network-policies/webhook-network-policy.yaml
index c9790f6..3812e0f 100644
--- a/charts/longhorn/templates/network-policies/webhook-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/webhook-network-policy.yaml
@@ -3,11 +3,11 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-conversion-webhook
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
-      app: longhorn-manager
+      longhorn.io/conversion-webhook: longhorn-conversion-webhook
   policyTypes:
   - Ingress
   ingress:
@@ -19,11 +19,11 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-admission-webhook
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
-      app: longhorn-manager
+      longhorn.io/admission-webhook: longhorn-admission-webhook
   policyTypes:
   - Ingress
   ingress: