diff --git a/tests/settings.py b/tests/settings.py
index 823bc58a..18aa3d4f 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -45,3 +45,5 @@ EXCEPTIONS_SOURCES = {}
 SITE_BASE_URL = 'https://example.com'
 
 SHARED_CUSTODY_ENABLED = True
+
+PASSWORD_HASHERS = ["django.contrib.auth.hashers.MD5PasswordHasher"]