diff --git a/bundles/samba/items.py b/bundles/samba/items.py
index a9567b4..5c60c69 100644
--- a/bundles/samba/items.py
+++ b/bundles/samba/items.py
@@ -82,4 +82,7 @@ if timemachine_shares:
             'owner': f'timemachine-{share_name}',
             'group': f'timemachine-{share_name}',
             'mode': '0700',
+            'needs': {
+                f'zfs_dataset:tank/timemachine/{share_name}',
+            },
         }