diff --git a/setup.py b/setup.py
index 8109b9f..25a397c 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
     packages=find_packages(),
     include_package_data=True,
     install_requires=[
-        'Click', 'prettytable', 'pyyaml', 'pycurl'
+        'Click', 'prettytable', 'pyyaml', 'pycurl', 'python-magic'
     ],
     setup_requires=['setuptools-version-command'],
     test_suite='nose.collector',