diff --git a/apps/monitoring/kube-prometheus/base/kustomization.yaml b/apps/monitoring/kube-prometheus/base/kustomization.yaml
index b48fbfd2a..7b0ef5a05 100644
--- a/apps/monitoring/kube-prometheus/base/kustomization.yaml
+++ b/apps/monitoring/kube-prometheus/base/kustomization.yaml
@@ -5,3 +5,6 @@ resources:
 - prom-rule.yaml
 - svc-monitor.yaml
 - svc.yaml
+
+namespace: monitoring
+
diff --git a/apps/monitoring/kube-prometheus/crds/kustomization.yaml b/apps/monitoring/kube-prometheus/crds/kustomization.yaml
index f6d9bad4f..298cec775 100644
--- a/apps/monitoring/kube-prometheus/crds/kustomization.yaml
+++ b/apps/monitoring/kube-prometheus/crds/kustomization.yaml
@@ -15,3 +15,5 @@ resources:
 
 commonAnnotations:
   argocd.argoproj.io/sync-options: SkipDryRunOnMissingResource=true,ServerSideApply=true,Replace=true,Validate=false
+
+namespace: monitoring
diff --git a/apps/monitoring/kube-prometheus/kustomization.yaml b/apps/monitoring/kube-prometheus/kustomization.yaml
index 561f3819f..49cfb6b3c 100644
--- a/apps/monitoring/kube-prometheus/kustomization.yaml
+++ b/apps/monitoring/kube-prometheus/kustomization.yaml
@@ -6,4 +6,3 @@ resources:
   - crds/
   - core.yaml
 
-namespace: monitoring