diff --git a/config/clusters/cloudbank/support.values.yaml b/config/clusters/cloudbank/support.values.yaml
index 2ad92d09c6..2b70a1afc9 100644
--- a/config/clusters/cloudbank/support.values.yaml
+++ b/config/clusters/cloudbank/support.values.yaml
@@ -4,7 +4,7 @@ prometheusIngressAuthSecret:
 prometheus:
   server:
     persistentVolume:
-      size: 520Gi
+      size: 750Gi
     ingress:
       enabled: true
       hosts: