diff --git a/config/kustomization.yaml b/config/kustomization.yaml
index 0f3c667..1d3a429 100644
--- a/config/kustomization.yaml
+++ b/config/kustomization.yaml
@@ -2,6 +2,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - ./namespaces.yaml
   - /~https://github.com/flannel-io/flannel/releases/download/v0.26.4/kube-flannel.yml
   - /~https://github.com/cert-manager/cert-manager/releases/download/v1.17.1/cert-manager.yaml
   - /~https://github.com/knative/operator/releases/download/knative-v1.17.3/operator.yaml
diff --git a/config/namespaces.yaml b/config/namespaces.yaml
new file mode 100644
index 0000000..f06579a
--- /dev/null
+++ b/config/namespaces.yaml
@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: knative-serving
diff --git a/deploy-config.yaml b/deploy-config.yaml
index bf964f1..36ee565 100644
--- a/deploy-config.yaml
+++ b/deploy-config.yaml
@@ -13,6 +13,11 @@ metadata:
 ---
 apiVersion: v1
 kind: Namespace
+metadata:
+  name: knative-serving
+---
+apiVersion: v1
+kind: Namespace
 metadata:
   labels:
     k8s-app: flannel