1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 5ba47d1..8b8bf65 100644
--- a/setup.py
+++ b/setup.py
@@ -48,6 +48,7 @@ setup(
     classifiers=pkginfo['classifiers'],
     packages=find_packages(exclude=['contrib', 'docs', 'test*']),
     namespace_packages=[pkginfo['subpackage_of']],
+    python_requires='>=3.3',
     install_requires=pkginfo['install_requires'],
     tests_require=pkginfo['tests_require'],
     scripts=pkginfo['scripts'],