diff --git a/CHANGES b/CHANGES
index 35931b1..11bb606 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,13 @@ Flask-Sentinel Changelog
 
 Here you can see the full list of changes between releases.
 
+Version 0.0.4
+-------------
+
+Released on 8 July, 2015
+
+- Fix: Circular reference prevents package from running under Python 3.
+
 Version 0.0.3
 -------------
 
diff --git a/flask_sentinel/__init__.py b/flask_sentinel/__init__.py
index 31ee05e..6df99b9 100644
--- a/flask_sentinel/__init__.py
+++ b/flask_sentinel/__init__.py
@@ -1 +1 @@
-from flask_sentinel import ResourceOwnerPasswordCredentials, oauth  # noqa
+from .flask_sentinel import ResourceOwnerPasswordCredentials, oauth  # noqa
diff --git a/flask_sentinel/data.py b/flask_sentinel/data.py
index 99a11bd..8db56ab 100644
--- a/flask_sentinel/data.py
+++ b/flask_sentinel/data.py
@@ -13,8 +13,8 @@
 import bcrypt
 from werkzeug.security import gen_salt
 
-from core import mongo, redis
-from models import Client, User, Token
+from .core import mongo, redis
+from .models import Client, User, Token
 
 
 # TODO use SONManipulator instead of custom de/serializers perhaps?
diff --git a/flask_sentinel/flask_sentinel.py b/flask_sentinel/flask_sentinel.py
index 28948a5..e601957 100644
--- a/flask_sentinel/flask_sentinel.py
+++ b/flask_sentinel/flask_sentinel.py
@@ -8,10 +8,10 @@
 """
 from flask import Blueprint
 
-import views
-from core import oauth, mongo, redis
-from utils import Config
-from validator import MyRequestValidator
+from . import views
+from .core import oauth, mongo, redis
+from .utils import Config
+from .validator import MyRequestValidator
 from redis.connection import ConnectionPool
 
 
diff --git a/flask_sentinel/validator.py b/flask_sentinel/validator.py
index e42db99..e324f68 100644
--- a/flask_sentinel/validator.py
+++ b/flask_sentinel/validator.py
@@ -8,7 +8,7 @@
 """
 from flask_oauthlib.provider import OAuth2RequestValidator
 
-from data import Storage
+from .data import Storage
 
 
 class MyRequestValidator(OAuth2RequestValidator):
diff --git a/flask_sentinel/views.py b/flask_sentinel/views.py
index 51950b8..69b1084 100644
--- a/flask_sentinel/views.py
+++ b/flask_sentinel/views.py
@@ -8,8 +8,8 @@
 """
 from flask import render_template, request
 
-from core import oauth
-from data import Storage
+from .core import oauth
+from .data import Storage
 
 
 @oauth.token_handler