diff --git a/setup.py b/setup.py
index 31c67cde..196c30c7 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ setup(
         'Pykka >= 1.1',
         'tornado >= 3.1',
     ],
-    extras_requires={'http': []},
+    extras_require={'http': []},
     test_suite='nose.collector',
     tests_require=[
         'nose',