1 files changed, 2 insertions, 2 deletions
diff --git a/setup.py b/setup.py
index bef9357..963c483 100644
--- a/setup.py
+++ b/setup.py
@@ -5,10 +5,10 @@ setup(
     name='natsort',
     version='5.4.1',
     packages=find_packages(),
-    install_requires=["argparse; python_version < '2.7'"],
     entry_points={'console_scripts': ['natsort = natsort.__main__:main']},
+    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
     extras_require={
-        'fast': ["fastnumbers >= 2.0.0; python_version > '2.6'"],
+        'fast': ["fastnumbers >= 2.0.0"],
         'icu': ["PyICU >= 1.0.0"]
     }
 )