diff --git a/secrets/kustomization.yaml b/secrets/kustomization.yaml
index 13c6d6d..15ccacb 100644
--- a/secrets/kustomization.yaml
+++ b/secrets/kustomization.yaml
@@ -2,3 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - kimaisecrets.yaml
+- namespace.yaml
diff --git a/secrets/namespace.yaml b/secrets/namespace.yaml
new file mode 100644
index 0000000..4ef398e
--- /dev/null
+++ b/secrets/namespace.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: external-secrets