diff --git a/kubernetes/apps/observability/thanos/app/helmrelease.yaml b/kubernetes/apps/observability/thanos/app/helmrelease.yaml
index c561084..07c4250 100644
--- a/kubernetes/apps/observability/thanos/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/thanos/app/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: thanos
-      version: 13.3.0
+      version: 13.4.0
       sourceRef:
         kind: HelmRepository
         name: bitnami