diff --git a/setup.py b/setup.py
index 448e9bf4..0ba19167 100644
--- a/setup.py
+++ b/setup.py
@@ -132,7 +132,7 @@ setup(name = 'GPy',
       py_modules = ['GPy.__init__'],
       test_suite = 'GPy.testing',
       long_description=read_to_rst('README.md'),
-      install_requires=['numpy>=1.7', 'scipy>=0.16', 'six'],
+      install_requires=['numpy>=1.7', 'scipy>=0.16', 'six', 'paramz'],
       extras_require = {'docs':['sphinx'],
                         'optional':['mpi4py',
                                     'ipython>=4.0.0',