diff --git a/demo01-postgresql2/values.yaml b/demo01-postgresql2/values.yaml
index 2d1d0df..e46323b 100644
--- a/demo01-postgresql2/values.yaml
+++ b/demo01-postgresql2/values.yaml
@@ -40,7 +40,7 @@ pgpool:
 persistence:
   enabled: true
   storageClass: ""
-  size: 1Gi
+  size: 10Gi
 
 volumePermissions:
   enabled: true