diff --git a/requirements.txt b/requirements.txt
index 917c31a..d39c14d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-coverage==3.6.0
-requests==2.1.0
-requests_oauthlib==0.4.0
-python-coveralls==2.1.0
-nose-cov==1.6
-responses==0.2.0
+coverage>=3.6.0
+requests>=2.1.0
+requests_oauthlib>=0.4.0
+python-coveralls>=2.1.0
+nose-cov>=1.6
+responses>=0.2.0
diff --git a/setup.py b/setup.py
index e6c8e94..64db8d5 100755
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ if sys.argv[-1] == 'publish':
 setup(
     name='twython',
     version=__version__,
-    install_requires=['requests==2.1.0', 'requests_oauthlib==0.4.0'],
+    install_requires=['requests>=2.1.0', 'requests_oauthlib>=0.4.0'],
     author='Ryan McGrath',
     author_email='ryan@venodesigns.net',
     license=open('LICENSE').read(),