diff --git a/fleet/lib/kube-prometheus-stack/fleet.yaml b/fleet/lib/kube-prometheus-stack/fleet.yaml
index df8dd913b..e06aee5b1 100644
--- a/fleet/lib/kube-prometheus-stack/fleet.yaml
+++ b/fleet/lib/kube-prometheus-stack/fleet.yaml
@@ -8,7 +8,7 @@ helm:
   chart: *name
   releaseName: *name
   repo: https://prometheus-community.github.io/helm-charts
-  version: 66.2.1
+  version: 66.3.1
   timeoutSeconds: 600
   waitForJobs: true
   valuesFiles: