diff --git a/setup.py b/setup.py
index 80739d9..fda902e 100755
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 from cloudwatchmon import VERSION
 import os.path
-
+import sys
 from setuptools import find_packages, setup
 
 
@@ -12,6 +12,13 @@ def readme():
             return f.read()
 
 
+requires = ['boto>=2.33.0',]
+
+
+ if sys.version_info[:2] == (2, 6):
+     requires += ['argparse']
+
+
 setup(name='cloudwatchmon',
       version=VERSION,
       description='Linux monitoring scripts for CloudWatch',
@@ -23,7 +30,7 @@ def readme():
       keywords="monitoring cloudwatch amazon web services aws ec2",
       zip_safe=True,
       packages=find_packages(),
-      install_requires=['boto>=2.33.0', 'argparse'],
+      install_requires=requires,
       entry_points={'console_scripts': [
           'mon-get-instance-stats.py=cloudwatchmon.cli.get_instance_stats:main',
           'mon-put-instance-stats.py=cloudwatchmon.cli.put_instance_stats:main',
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..e6670d7
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,4 @@
+[tox]
+envlist = py26,py27,py33,py34,py35,py36
+[testenv]
+commands=mon-get-instance-stats.py --version