diff --git a/charts/kube-prometheus-stack/Chart.yaml b/charts/kube-prometheus-stack/Chart.yaml
index a345a7367b5d..137802290b7d 100644
--- a/charts/kube-prometheus-stack/Chart.yaml
+++ b/charts/kube-prometheus-stack/Chart.yaml
@@ -23,7 +23,7 @@ name: kube-prometheus-stack
 sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
-version: 56.6.1
+version: 56.6.2
 appVersion: v0.71.2
 kubeVersion: ">=1.19.0-0"
 home: https://github.com/prometheus-operator/kube-prometheus
diff --git a/charts/kube-prometheus-stack/templates/_helpers.tpl b/charts/kube-prometheus-stack/templates/_helpers.tpl
index fb5bac34e1c4..aa0ed4c73623 100644
--- a/charts/kube-prometheus-stack/templates/_helpers.tpl
+++ b/charts/kube-prometheus-stack/templates/_helpers.tpl
@@ -24,10 +24,15 @@ The longest name that gets created adds and extra 37 characters, so truncation s
 {{- end -}}
 {{- end -}}
 
-{{/* Fullname suffixed with operator */}}
+{{/* Fullname suffixed with -operator */}}
+{{/* Adding 9 to 26 truncation of kube-prometheus-stack.fullname */}}
 {{- define "kube-prometheus-stack.operator.fullname" -}}
+{{- if .Values.prometheusOperator.fullnameOverride -}}
+{{- .Values.prometheusOperator.fullnameOverride | trunc 35 | trimSuffix "-" -}}
+{{- else -}}
 {{- printf "%s-operator" (include "kube-prometheus-stack.fullname" .) -}}
 {{- end }}
+{{- end }}
 
 {{/* Prometheus custom resource instance name */}}
 {{- define "kube-prometheus-stack.prometheus.crname" -}}
diff --git a/charts/kube-prometheus-stack/values.yaml b/charts/kube-prometheus-stack/values.yaml
index 0502300c5fa7..529f5d048484 100644
--- a/charts/kube-prometheus-stack/values.yaml
+++ b/charts/kube-prometheus-stack/values.yaml
@@ -2073,6 +2073,9 @@ prometheus-node-exporter:
 prometheusOperator:
   enabled: true
 
+  ## Use '{{ template "kube-prometheus-stack.fullname" . }}-operator' by default
+  fullnameOverride: ""
+
   ## Number of old replicasets to retain ##
   ## The default value is 10, 0 will garbage-collect old replicasets ##
   revisionHistoryLimit: 10