diff --git a/clusters/cl01tl/applications/tubearchivist/values.yaml b/clusters/cl01tl/applications/tubearchivist/values.yaml
index 76af211ae..230e71ed8 100644
--- a/clusters/cl01tl/applications/tubearchivist/values.yaml
+++ b/clusters/cl01tl/applications/tubearchivist/values.yaml
@@ -78,7 +78,7 @@ tubearchivist:
     data:
       storageClass: ceph-block
       accessMode: ReadWriteOnce
-      size: 10Gi
+      size: 20Gi
       retain: true
       advancedMounts:
         main: