diff --git a/infrastructure/postgresql/base/namespace.yaml b/infrastructure/postgresql/base/namespace.yaml
index a6bb64a..008cdd0 100644
--- a/infrastructure/postgresql/base/namespace.yaml
+++ b/infrastructure/postgresql/base/namespace.yaml
@@ -2,3 +2,5 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: postgresql
+  labels:
+    istio-injection: enabled
diff --git a/infrastructure/s3-proxy/base/kustomization.yaml b/infrastructure/s3-proxy/base/kustomization.yaml
index f26a436..ad2777d 100644
--- a/infrastructure/s3-proxy/base/kustomization.yaml
+++ b/infrastructure/s3-proxy/base/kustomization.yaml
@@ -2,5 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: postgresql
 resources:
-  - namespace.yaml
   - helmrelease.yaml