diff --git a/requirements-swh.txt b/requirements-swh.txt
--- a/requirements-swh.txt
+++ b/requirements-swh.txt
@@ -1,4 +1,4 @@
 swh.core >= 0.0.75
 swh.model >= 0.0.60
 swh.scheduler
-swh.storage >= 0.0.184
+swh.storage >= 0.0.189
diff --git a/swh/loader/core/tests/test_loader.py b/swh/loader/core/tests/test_loader.py
--- a/swh/loader/core/tests/test_loader.py
+++ b/swh/loader/core/tests/test_loader.py
@@ -33,7 +33,7 @@
         origin = Origin(url="some-url")
         self.origin = origin
         self.origin_url = origin.url
-        self.visit_date = datetime.datetime.utcnow()
+        self.visit_date = datetime.datetime.now(tz=datetime.timezone.utc)
         self.visit_type = "git"
         origin_url = self.storage.origin_add_one(origin)
         self.visit = self.storage.origin_visit_add(