diff --git a/ceph-rgw/values.yaml b/ceph-rgw/values.yaml
index 2f6a3cc10..5176c1ec9 100644
--- a/ceph-rgw/values.yaml
+++ b/ceph-rgw/values.yaml
@@ -383,6 +383,11 @@ conf:
       debug_ms: "0/0"
       log_file: /dev/stdout
       mon_cluster_log_file: /dev/stdout
+      # CNTT certification required fields
+      rgw_max_attr_name_len: 64
+      rgw_max_attrs_num_in_req: 32
+      rgw_max_attr_size: 1024
+      rgw_swift_versioning_enabled: true
     osd:
       osd_mkfs_type: xfs
       osd_mkfs_options_xfs: -f -i size=2048