diff --git a/tests/unit/api_container_test.py b/tests/unit/api_container_test.py
index b2e5237a2a..1c4dda756a 100644
--- a/tests/unit/api_container_test.py
+++ b/tests/unit/api_container_test.py
@@ -1302,7 +1302,7 @@ def test_log_since_with_float(self):
 
     def test_log_since_with_datetime(self):
         ts = 809222400
-        time = datetime.datetime.utcfromtimestamp(ts)
+        time = datetime.datetime.fromtimestamp(ts, datetime.timezone.utc)
         with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=False,
diff --git a/tests/unit/api_test.py b/tests/unit/api_test.py
index 3ce127b346..7e3e95178a 100644
--- a/tests/unit/api_test.py
+++ b/tests/unit/api_test.py
@@ -231,7 +231,7 @@ def test_events(self):
 
     def test_events_with_since_until(self):
         ts = 1356048000
-        now = datetime.datetime.utcfromtimestamp(ts)
+        now = datetime.datetime.fromtimestamp(ts, datetime.timezone.utc)
         since = now - datetime.timedelta(seconds=10)
         until = now + datetime.timedelta(seconds=10)