diff --git a/stable/prometheus/Chart.yaml b/stable/prometheus/Chart.yaml
index fc51757b81..6553de9c44 100755
--- a/stable/prometheus/Chart.yaml
+++ b/stable/prometheus/Chart.yaml
@@ -1,5 +1,5 @@
 name: prometheus
-version: 6.5.1
+version: 6.5.2
 appVersion: 2.2.1
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
diff --git a/stable/prometheus/values.yaml b/stable/prometheus/values.yaml
index 3a3ac4d636..067b88d981 100644
--- a/stable/prometheus/values.yaml
+++ b/stable/prometheus/values.yaml
@@ -316,7 +316,9 @@ kubeStateMetrics:
       prometheus.io/scrape: "true"
     labels: {}
 
-    clusterIP: ""
+    # Exposed as a headless service:
+    # https://kubernetes.io/docs/concepts/services-networking/service/#headless-services
+    clusterIP: None
 
     ## List of IP addresses at which the kube-state-metrics service is available
     ## Ref: https://kubernetes.io/docs/user-guide/services/#external-ips
@@ -406,7 +408,9 @@ nodeExporter:
       prometheus.io/scrape: "true"
     labels: {}
 
-    clusterIP: ""
+    # Exposed as a headless service:
+    # https://kubernetes.io/docs/concepts/services-networking/service/#headless-services
+    clusterIP: None
 
     ## List of IP addresses at which the node-exporter service is available
     ## Ref: https://kubernetes.io/docs/user-guide/services/#external-ips