1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 7ca1d38f4..91db8d680 100644
--- a/setup.py
+++ b/setup.py
@@ -169,7 +169,7 @@ def install(**kwargs):
                  cmdclass=cmdclass,
                  extras_require=extras_require,
                  test_suite='test',
-                 python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
+                 python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <3.7',
                  setup_requires=['pytest-runner'],
                  tests_require=['pytest'],
                  **kwargs)