diff --git a/setup.py b/setup.py
index 0b86a55..d0e42cf 100644
--- a/setup.py
+++ b/setup.py
@@ -54,9 +54,9 @@ def read(*parts):
     packages = find_packages(exclude=['*tests*']),
     test_suite = "pyconstruct.tests",
     include_package_data=True,
-    package_data={'': '*.pmzn'},
+    package_data={'': ['*.pmzn']},
     install_requires = [
-        'numpy', 'scipy', 'sklearn', 'pymzn', 'appdirs', 'jinja2', 'cachetools'
+        'numpy', 'scipy', 'scikit-learn', 'pymzn', 'appdirs', 'jinja2', 'cachetools'
     ],
     platforms = 'any',
     classifiers = [