diff --git a/charts/longhorn/templates/network-policies/backing-image-data-source-network-policy.yaml b/charts/longhorn/templates/network-policies/backing-image-data-source-network-policy.yaml
index cc91054..7204d63 100644
--- a/charts/longhorn/templates/network-policies/backing-image-data-source-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/backing-image-data-source-network-policy.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: backing-image-data-source
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
diff --git a/charts/longhorn/templates/network-policies/backing-image-manager-network-policy.yaml b/charts/longhorn/templates/network-policies/backing-image-manager-network-policy.yaml
index ebc288f..119ebf0 100644
--- a/charts/longhorn/templates/network-policies/backing-image-manager-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/backing-image-manager-network-policy.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: backing-image-manager
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
diff --git a/charts/longhorn/templates/network-policies/instance-manager-networking.yaml b/charts/longhorn/templates/network-policies/instance-manager-networking.yaml
index 6f03c6e..332aa2c 100644
--- a/charts/longhorn/templates/network-policies/instance-manager-networking.yaml
+++ b/charts/longhorn/templates/network-policies/instance-manager-networking.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: instance-manager
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
diff --git a/charts/longhorn/templates/network-policies/manager-network-policy.yaml b/charts/longhorn/templates/network-policies/manager-network-policy.yaml
index c9d763f..6f94029 100644
--- a/charts/longhorn/templates/network-policies/manager-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/manager-network-policy.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-manager
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
diff --git a/charts/longhorn/templates/network-policies/recovery-backend-network-policy.yaml b/charts/longhorn/templates/network-policies/recovery-backend-network-policy.yaml
index cebe485..6e34dad 100644
--- a/charts/longhorn/templates/network-policies/recovery-backend-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/recovery-backend-network-policy.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-recovery-backend
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
diff --git a/charts/longhorn/templates/network-policies/ui-frontend-network-policy.yaml b/charts/longhorn/templates/network-policies/ui-frontend-network-policy.yaml
index 04c8beb..6f37065 100644
--- a/charts/longhorn/templates/network-policies/ui-frontend-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/ui-frontend-network-policy.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-ui-frontend
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
diff --git a/charts/longhorn/templates/network-policies/webhook-network-policy.yaml b/charts/longhorn/templates/network-policies/webhook-network-policy.yaml
index c9790f6..3575763 100644
--- a/charts/longhorn/templates/network-policies/webhook-network-policy.yaml
+++ b/charts/longhorn/templates/network-policies/webhook-network-policy.yaml
@@ -3,7 +3,7 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-conversion-webhook
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels:
@@ -19,7 +19,7 @@
 kind: NetworkPolicy
 metadata:
   name: longhorn-admission-webhook
-  namespace: longhorn-system
+  namespace: {{ include "release_namespace" . }}
 spec:
   podSelector:
     matchLabels: