diff --git a/django_group_role/__init__.py b/django_group_role/__init__.py
index b077a16..495361a 100644
--- a/django_group_role/__init__.py
+++ b/django_group_role/__init__.py
@@ -1,4 +1,4 @@
 from .exceptions import BadRoleException
 from .roles import Role, registry
 
-__version__ = (0, 3, 0)
+__version__ = (0, 4, 0)
diff --git a/setup.cfg b/setup.cfg
index 8a6a416..727cda8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = django-group-role
-version = 0.3.0
+version = 0.4.0
 author = Davide Setti
 description = Django Group-based roles
 long_description = file: README.md