diff --git a/cluster/apps/monitoring-system/grafana/base/helmrelease.yaml b/cluster/apps/monitoring-system/grafana/base/helmrelease.yaml
index 15807f822..4b5d1d200 100644
--- a/cluster/apps/monitoring-system/grafana/base/helmrelease.yaml
+++ b/cluster/apps/monitoring-system/grafana/base/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: grafana
-      version: 8.5.8
+      version: 8.5.9
       sourceRef:
         kind: HelmRepository
         name: grafana-charts