diff --git a/modoboa/core/factories.py b/modoboa/core/factories.py
index c375d09c5..838b9ffd3 100644
--- a/modoboa/core/factories.py
+++ b/modoboa/core/factories.py
@@ -7,7 +7,7 @@ from django.contrib.auth.models import Group
 from . import models
 
 
-class PermissionFactory(factory.DjangoModelFactory):
+class PermissionFactory(factory.django.DjangoModelFactory):
 
     """A base factory to handle permissions."""
 
@@ -21,7 +21,7 @@ class PermissionFactory(factory.DjangoModelFactory):
         self.post_create(models.User.objects.filter(is_superuser=True).first())
 
 
-class GroupFactory(factory.DjangoModelFactory):
+class GroupFactory(factory.django.DjangoModelFactory):
 
     """A factory to create Group instances."""
 
@@ -52,7 +52,7 @@ class UserFactory(PermissionFactory):
                 self.groups.add(Group.objects.get(name=group))
 
 
-class LogFactory(factory.DjangoModelFactory):
+class LogFactory(factory.django.DjangoModelFactory):
     """Factory for Log."""
 
     class Meta(object):
diff --git a/modoboa/maillog/factories.py b/modoboa/maillog/factories.py
index 3c26d246e..011740199 100644
--- a/modoboa/maillog/factories.py
+++ b/modoboa/maillog/factories.py
@@ -9,7 +9,7 @@ from modoboa.admin import factories as admin_factories
 from . import models
 
 
-class MaillogFactory(factory.DjangoModelFactory):
+class MaillogFactory(factory.django.DjangoModelFactory):
     """Factory class for Maillog."""
 
     class Meta:
diff --git a/test-requirements.txt b/test-requirements.txt
index d30e8202f..bfc32c60d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
 argon2-cffi>=16.1.0
-factory-boy<=2.12.0
+factory-boy<=3.2.0
 httmock==1.4.0
 testfixtures==6.17.1
 tox