diff --git a/requirements.txt b/requirements.txt
index e69de29..24ce15a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1 @@
+numpy
diff --git a/setup.py b/setup.py
index 1e791b7..23addef 100644
--- a/setup.py
+++ b/setup.py
@@ -46,10 +46,10 @@ def readme():
       author='Jonas Eschle',
       author_email='mayou36@jonas.eschle.com',
       license='GNU Lesser General Public License v3',
-      dependency_links=None,
+#      dependency_links="",
       install_requires=requirements,
 #      extras_require=,
       packages=['uniphy'],
       include_package_data=True,
       zip_safe=False
-      )
\ No newline at end of file
+      )