diff --git a/umap/tests/conftest.py b/umap/tests/conftest.py
index 3465994b..5cbe7031 100644
--- a/umap/tests/conftest.py
+++ b/umap/tests/conftest.py
@@ -9,10 +9,10 @@ from umap.models import Map
 
 from .base import (
     DataLayerFactory,
-    MapFactory,
-    UserFactory,
-    TileLayerFactory,
     LicenceFactory,
+    MapFactory,
+    TileLayerFactory,
+    UserFactory,
 )
 
 TMP_ROOT = tempfile.mkdtemp()
@@ -80,3 +80,4 @@ def datalayer(map):
 @pytest.fixture
 def tilelayer():
     return TileLayerFactory()
+
diff --git a/umap/tests/settings.py b/umap/tests/settings.py
index d8706f5d..6d2b28bb 100644
--- a/umap/tests/settings.py
+++ b/umap/tests/settings.py
@@ -16,3 +16,7 @@ if "TRAVIS" in os.environ:
             "USER": "travis",
         }
     }
+
+PASSWORD_HASHERS = [
+    "django.contrib.auth.hashers.MD5PasswordHasher",
+]