diff --git a/requirements-swh.txt b/requirements-swh.txt
--- a/requirements-swh.txt
+++ b/requirements-swh.txt
@@ -2,4 +2,4 @@
 swh.model >= 1.0.0
 swh.objstorage >= 0.2.2
 swh.scheduler >= 0.4.0
-swh.storage >= 0.27.0
+swh.storage >= 0.29.0
diff --git a/swh/loader/pytest_plugin.py b/swh/loader/pytest_plugin.py
--- a/swh/loader/pytest_plugin.py
+++ b/swh/loader/pytest_plugin.py
@@ -19,7 +19,7 @@
             "storage": {
                 "cls": "buffer",
                 "storage": {
-                    "cls": "local",
+                    "cls": "postgresql",
                     "db": swh_storage_postgresql.dsn,
                     "objstorage": {"cls": "memory"},
                 },
diff --git a/swh/loader/tests/test_init.py b/swh/loader/tests/test_init.py
--- a/swh/loader/tests/test_init.py
+++ b/swh/loader/tests/test_init.py
@@ -166,7 +166,7 @@
 @pytest.fixture
 def swh_storage_backend_config(swh_storage_postgresql):
     return {
-        "cls": "local",
+        "cls": "postgresql",
         "db": swh_storage_postgresql.dsn,
         "objstorage": {"cls": "memory"},
     }