diff --git a/charts/greptimedb/Chart.yaml b/charts/greptimedb/Chart.yaml
index d342e7d..d50590b 100644
--- a/charts/greptimedb/Chart.yaml
+++ b/charts/greptimedb/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: greptimedb
 description: A Helm chart for deploying GreptimeDB cluster in Kubernetes
 type: application
-version: 0.1.1-alpha.16
+version: 0.1.1-alpha.17
 appVersion: 0.4.0
diff --git a/charts/greptimedb/values.yaml b/charts/greptimedb/values.yaml
index f495751..0d3ba61 100644
--- a/charts/greptimedb/values.yaml
+++ b/charts/greptimedb/values.yaml
@@ -39,7 +39,7 @@ datanode:
   replicas: 3
   componentSpec: {}
   storage:
-    storageClassName: standard
+    storageClassName: null
     storageSize: 10Gi
     storageRetainPolicy: Retain