diff --git a/etc/k8s/helm-chart/eventhub/charts/postgresql/templates/postgresql.yaml b/etc/k8s/helm-chart/eventhub/charts/postgresql/templates/postgresql.yaml
index 1dfc47a..b029816 100644
--- a/etc/k8s/helm-chart/eventhub/charts/postgresql/templates/postgresql.yaml
+++ b/etc/k8s/helm-chart/eventhub/charts/postgresql/templates/postgresql.yaml
@@ -36,8 +36,8 @@ spec:
       name: {{ .Release.Name }}-{{ .Chart.Name }}-database-volume
     spec:
       accessModes: [ "ReadWriteOnce" ]
-      storageClassName: "managed-premium-retain"
+      storageClassName: "managed-csi"
       resources:
         requests:
-          storage: 64Gi
+          storage: 32Gi
 {{- end }}
\ No newline at end of file