diff --git a/setup.py b/setup.py
index 17b326a..ba23eb2 100644
--- a/setup.py
+++ b/setup.py
@@ -35,6 +35,7 @@ setup(name="schainpy",
         install_requires=["numpy >= 1.6.0",
                           "scipy >= 0.9.0",
                           "h5py >= 2.0.1",
-                          "matplotlib >= 1.0.0"
+                          "matplotlib >= 1.0.0",
+                          "pyfits >= 2.0.0",
                           ],
       )
\ No newline at end of file