diff --git a/CHANGES b/CHANGES
index fdd8b79..8f7d7ad 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+0.4.x
+=====
+- Flex version requirements for dependencies
+
 0.4.2
 =====
 Better support for Django 1.9
diff --git a/setup.py b/setup.py
index bd918a2..187b08d 100644
--- a/setup.py
+++ b/setup.py
@@ -69,7 +69,7 @@ setup(name='django-defender',
       include_package_data=True,
       packages=get_packages('defender'),
       package_data=get_package_data('defender'),
-      install_requires=['Django>=1.6,<=1.10', 'redis==2.10.3',
-                        'hiredis==0.2.0', 'mockredispy==2.9.0.11'],
+      install_requires=['Django>=1.6,<=1.10', 'redis>=2.10.3,<3.0',
+                        'hiredis>=0.2.0,<1.0', 'mockredispy>=2.9.0.11,<3.0'],
       tests_require=['mock', 'mockredispy', 'coverage', 'celery'],
       )