diff --git a/helm/support/kube-prometheus-stack/values.yaml b/helm/support/kube-prometheus-stack/values.yaml
index e765980..ac142a3 100644
--- a/helm/support/kube-prometheus-stack/values.yaml
+++ b/helm/support/kube-prometheus-stack/values.yaml
@@ -3,4 +3,5 @@ grafana:
   adminUser: "admin"
   persistence:
     enabled: true
+    storageClassName: "gp2"
     size: 10Gi