diff --git a/charts/kube-prometheus-stack/Chart.yaml b/charts/kube-prometheus-stack/Chart.yaml
index aa1373b9d8f5..d1534da1705d 100644
--- a/charts/kube-prometheus-stack/Chart.yaml
+++ b/charts/kube-prometheus-stack/Chart.yaml
@@ -21,7 +21,7 @@ name: kube-prometheus-stack
 sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
-version: 51.5.2
+version: 51.5.3
 appVersion: v0.68.0
 kubeVersion: ">=1.19.0-0"
 home: https://github.com/prometheus-operator/kube-prometheus
diff --git a/charts/kube-prometheus-stack/values.yaml b/charts/kube-prometheus-stack/values.yaml
index 17eed01d222b..ba4aadd7a4f0 100644
--- a/charts/kube-prometheus-stack/values.yaml
+++ b/charts/kube-prometheus-stack/values.yaml
@@ -2415,7 +2415,7 @@ prometheusOperator:
   thanosImage:
     registry: quay.io
     repository: thanos/thanos
-    tag: v0.32.2
+    tag: v0.32.3
     sha: ""
 
   ## Set a Label Selector to filter watched prometheus and prometheusAgent
@@ -3855,7 +3855,7 @@ thanosRuler:
     image:
       registry: quay.io
       repository: thanos/thanos
-      tag: v0.32.2
+      tag: v0.32.3
       sha: ""
 
     ## Namespaces to be selected for PrometheusRules discovery.