1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index ab2170fec..29de8dcdf 100644
--- a/setup.py
+++ b/setup.py
@@ -98,6 +98,7 @@ setup(name='pyramid',
       packages=find_packages(),
       include_package_data=True,
       zip_safe=False,
+      python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*',
       install_requires=install_requires,
       extras_require={
           'testing': testing_extras,