diff --git a/charts/kube-prometheus-stack/Chart.yaml b/charts/kube-prometheus-stack/Chart.yaml
index bbdda43caa9e..5ce969a811a3 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: 56.20.1
+version: 56.21.0
 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/prometheus-operator/admission-webhooks/deployment/deployment.yaml b/charts/kube-prometheus-stack/templates/prometheus-operator/admission-webhooks/deployment/deployment.yaml
index 93c72ab4d5fd..054eac4a7708 100644
--- a/charts/kube-prometheus-stack/templates/prometheus-operator/admission-webhooks/deployment/deployment.yaml
+++ b/charts/kube-prometheus-stack/templates/prometheus-operator/admission-webhooks/deployment/deployment.yaml
@@ -17,6 +17,10 @@ metadata:
 spec:
   replicas: {{ .Values.prometheusOperator.admissionWebhooks.deployment.replicas }}
   revisionHistoryLimit: {{ .Values.prometheusOperator.admissionWebhooks.deployment.revisionHistoryLimit }}
+  {{- with .Values.prometheusOperator.admissionWebhooks.deployment.strategy }}
+  strategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   selector:
     matchLabels:
       app: {{ template "kube-prometheus-stack.name" . }}-operator-webhook
diff --git a/charts/kube-prometheus-stack/values.yaml b/charts/kube-prometheus-stack/values.yaml
index d8e9884cbc94..85c3cef1b3bc 100644
--- a/charts/kube-prometheus-stack/values.yaml
+++ b/charts/kube-prometheus-stack/values.yaml
@@ -2195,6 +2195,10 @@ prometheusOperator:
       ##
       replicas: 1
 
+      ## Strategy of the deployment
+      ##
+      strategy: {}
+
       # Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
       podDisruptionBudget: {}
         # maxUnavailable: 1