diff --git a/requirements-swh.txt b/requirements-swh.txt
--- a/requirements-swh.txt
+++ b/requirements-swh.txt
@@ -1,4 +1,4 @@
-swh.storage >= 0.0.178
-swh.model >= 0.0.60
+swh.storage >= 0.1
+swh.model >= 0.3
 swh.scheduler >= 0.0.39
-swh.loader.core >= 0.1.0
+swh.loader.core >= 0.2
diff --git a/swh/loader/svn/converters.py b/swh/loader/svn/converters.py
--- a/swh/loader/svn/converters.py
+++ b/swh/loader/svn/converters.py
@@ -3,7 +3,7 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, Optional, Tuple
 
 from swh.model.model import Person, Revision, RevisionType, TimestampWithTimezone
 
@@ -41,7 +41,7 @@
 
 
 def build_swh_revision(
-    rev: int, commit: Dict, repo_uuid: str, dir_id: bytes, parents: List[bytes]
+    rev: int, commit: Dict, repo_uuid: str, dir_id: bytes, parents: Tuple[bytes]
 ) -> Revision:
     """Given a svn revision, build a swh revision.