diff --git a/setup.py b/setup.py
index 8ec447a38..a181c95ff 100644
--- a/setup.py
+++ b/setup.py
@@ -113,6 +113,7 @@ def find_meta(meta):
         long_description=LONG,
         packages=PACKAGES,
         package_dir={"": "src"},
+        python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
         zip_safe=False,
         classifiers=CLASSIFIERS,
         install_requires=INSTALL_REQUIRES,