diff --git a/cluster/core/monitoring/grafana/helm-release.yaml b/cluster/core/monitoring/grafana/helm-release.yaml
index ef4a6e588..2cede5dad 100644
--- a/cluster/core/monitoring/grafana/helm-release.yaml
+++ b/cluster/core/monitoring/grafana/helm-release.yaml
@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://grafana.github.io/helm-charts
       chart: grafana
-      version: 6.40.4
+      version: 8.6.3
       sourceRef:
         kind: HelmRepository
         name: grafana-charts