diff --git a/charts/kube-state-metrics/Chart.yaml b/charts/kube-state-metrics/Chart.yaml
index 071e8d767d4b..d20937eb6f3a 100644
--- a/charts/kube-state-metrics/Chart.yaml
+++ b/charts/kube-state-metrics/Chart.yaml
@@ -7,7 +7,7 @@ keywords:
   - prometheus
   - kubernetes
 type: application
-version: 6.4.0
+version: 6.4.1
 # renovate: github-releases=kubernetes/kube-state-metrics
 appVersion: 2.17.0
 home: https://github.com/kubernetes/kube-state-metrics/
diff --git a/charts/kube-state-metrics/templates/deployment.yaml b/charts/kube-state-metrics/templates/deployment.yaml
index cd1aa5f14576..94250924bff0 100644
--- a/charts/kube-state-metrics/templates/deployment.yaml
+++ b/charts/kube-state-metrics/templates/deployment.yaml
@@ -60,7 +60,7 @@ spec:
       {{- end }}
       dnsPolicy: {{ .Values.dnsPolicy }}
       containers:
-      {{- $servicePort := ternary 9090 (.Values.service.port | default 8080) .Values.kubeRBACProxy.enabled}}
+      {{- $servicePort := ternary .Values.kubeRBACProxy.port (.Values.service.port | default 8080) .Values.kubeRBACProxy.enabled}}
       {{- $telemetryPort := ternary 9091 (.Values.selfMonitor.telemetryPort | default 8081) .Values.kubeRBACProxy.enabled}}
       - name: {{ template "kube-state-metrics.name" . }}
         {{- if  .Values.autosharding.enabled }}
diff --git a/charts/kube-state-metrics/values.yaml b/charts/kube-state-metrics/values.yaml
index 5feba38f7354..188d2064139a 100644
--- a/charts/kube-state-metrics/values.yaml
+++ b/charts/kube-state-metrics/values.yaml
@@ -129,8 +129,10 @@ kubeRBACProxy:
       drop:
       - ALL
 
+  # Configure specific upstream port for kube-state-metrics container
+  port: 9090
   # Configure specific proxy endpoints port
-  # This port is for healthz on readinessProbe
+  # This port is for healthz on readinessProbe kube-rbac-proxy-http container
   proxyEndpointsPort: 8888
 
   resources: {}