diff --git a/setup.py b/setup.py
index 1b9969d..06c9172 100755
--- a/setup.py
+++ b/setup.py
@@ -40,11 +40,11 @@ setup(name='qpms',
         version = "0.2.994",
         packages=['qpms'],
         setup_requires=['cython>0.28'],
-        install_requires=['cython>=0.21','quaternion','spherical_functions',
+        install_requires=['cython>=0.21','quaternion','spherical_functions','scipy>=0.14.0'
             #'py_gmm' # no longer needed
             ],
         # TODO implement https://stackoverflow.com/questions/17366784/setuptools-unable-to-use-link-from-dependency-links and update README.md accordingly
-        dependency_links=['https://github.com/texnokrates/py_gmm','https://github.com/moble/quaternion','https://github.com/moble/spherical_functions'],
+        dependency_links=['https://github.com/moble/quaternion/archive/v2.0.tar.gz','https://github.com/moble/spherical_functions/archive/master.zip'],
         ext_modules=cythonize([qpms_c], include_path=['qpms']),
         cmdclass = {'build_ext': build_ext},
         )