diff --git a/setup.py b/setup.py
index 6667adc..bbb9107 100644
--- a/setup.py
+++ b/setup.py
@@ -29,4 +29,5 @@ setup(name = 'sgp4',
         'Topic :: Scientific/Engineering :: Astronomy',
         ],
       packages = ['sgp4'],
+      package_data={'sgp4': ['sgp4/*.out']},
       )

diff --git a/setup.py b/setup.py
index 6667adc..431450c 100644
--- a/setup.py
+++ b/setup.py
@@ -28,5 +28,7 @@ setup(name = 'sgp4',
         'Programming Language :: Python :: 3.4',
         'Topic :: Scientific/Engineering :: Astronomy',
         ],
+      include_package_data=True,
       packages = ['sgp4'],
+      package_data={'sgp4': ['sgp4/*.out']},
       )

Switch on data inclusion in setup
Switch on data inclusion in setup
