diff --git a/projects/grafana/values/kube-prometheus-stack.yaml b/projects/grafana/values/kube-prometheus-stack.yaml
index 992392a2..872bbb47 100644
--- a/projects/grafana/values/kube-prometheus-stack.yaml
+++ b/projects/grafana/values/kube-prometheus-stack.yaml
@@ -1757,7 +1757,7 @@ prometheusOperator:
   ##
   thanosImage:
     repository: quay.io/thanos/thanos
-    tag: v0.27.0
+    tag: v0.28.0
     sha: ""
 
   ## Set a Field Selector to filter watched secrets