diff --git a/charts/kube-prometheus-stack/Chart.yaml b/charts/kube-prometheus-stack/Chart.yaml
index 716512d3..cec3f1a6 100644
--- a/charts/kube-prometheus-stack/Chart.yaml
+++ b/charts/kube-prometheus-stack/Chart.yaml
@@ -18,7 +18,7 @@ name: kube-prometheus-stack
 sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
-version: 15.2.0
+version: 15.2.1
 appVersion: 0.47.0
 kubeVersion: ">=1.16.0-0"
 home: https://github.com/prometheus-operator/kube-prometheus
diff --git a/charts/kube-prometheus-stack/templates/exporters/kubelet/servicemonitor.yaml b/charts/kube-prometheus-stack/templates/exporters/kubelet/servicemonitor.yaml
index b24a3954..e8029223 100644
--- a/charts/kube-prometheus-stack/templates/exporters/kubelet/servicemonitor.yaml
+++ b/charts/kube-prometheus-stack/templates/exporters/kubelet/servicemonitor.yaml
@@ -150,5 +150,6 @@ spec:
     - {{ .Values.kubelet.namespace }}
   selector:
     matchLabels:
+      app.kubernetes.io/managed-by:  prometheus-operator
       k8s-app: kubelet
 {{- end}}