diff --git a/README.md b/README.md
index 03affea..8c29f1e 100644
--- a/README.md
+++ b/README.md
@@ -20,8 +20,9 @@ performance, it is also recommended to install TensorFlow with GPU support
 (detailed instructions on how to do this are available in the TensorFlow
 installation documentation).
 
-Installing TensorFlow will take care of all other dependencies like `numpy` and
-`scipy`.
+In addition to TensorFlow and its dependencies, other prerequisites are:
+  * `scipy` >= 0.17
+  * `mpmath` (for testing)
 
 ### Installing TensorFlow Privacy
 
diff --git a/privacy/analysis/rdp_accountant_test.py b/privacy/analysis/rdp_accountant_test.py
index fab38a9..79cb797 100644
--- a/privacy/analysis/rdp_accountant_test.py
+++ b/privacy/analysis/rdp_accountant_test.py
@@ -27,6 +27,7 @@ import numpy as np
 
 from privacy.analysis import rdp_accountant
 
+
 class TestGaussianMoments(parameterized.TestCase):
   #################################
   # HELPER FUNCTIONS:             #
diff --git a/requirements.txt b/requirements.txt
index 0f57144..1594174 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
 tensorflow
+mpmath
+scipy
diff --git a/setup.py b/setup.py
index b81e407..4927033 100644
--- a/setup.py
+++ b/setup.py
@@ -18,10 +18,14 @@ setup(name='privacy',
       version='0.0.1',
       url='https://github.com/tensorflow/privacy',
       license='Apache-2.0',
+      install_requires=[
+          'scipy>=0.17',
+          'mpmath',  # used in tests only
+      ],
       # Explicit dependence on TensorFlow is not supported.
       # See https://github.com/tensorflow/tensorflow/issues/7166
       extras_require={
-          "tf": ["tensorflow>=1.0.0"],
-          "tf_gpu": ["tensorflow-gpu>=1.0.0"],
+          'tf': ['tensorflow>=1.0.0'],
+          'tf_gpu': ['tensorflow-gpu>=1.0.0'],
       },
       packages=find_packages())