diff --git a/setup.py b/setup.py
index 1791bf7..231d5cb 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ install_requires = [
     'PyOpenSSL>=0.15.1',
     'pyrfc3339',
     'pytz',
-    'requests[security]>=2.6.0',  # security extras added in 2.4.1
+    'requests>=2.6.0',  # security extras added in 2.4.1
     'requests-toolbelt>=0.3.0',
     'setuptools',
     'six>=1.9.0',  # needed for python_2_unicode_compatible