diff --git a/requirements.txt b/requirements.txt
index a881eb0..24d6449 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+--index-url https://pypi.python.org/simple/
+
+-e .
 mock
-scipy
-numpy
diff --git a/setup.py b/setup.py
index 47c7771..ef2195c 100644
--- a/setup.py
+++ b/setup.py
@@ -11,4 +11,8 @@
       license='MIT',
       url='https://github.com/jameslyons/python_speech_features',
       packages=['python_speech_features'],
+      install_requires=[
+        'numpy',
+        'scipy',
+      ]
     )