diff --git a/setup.py b/setup.py
index a1815c51..70c07b68 100644
--- a/setup.py
+++ b/setup.py
@@ -104,6 +104,7 @@ setup(
         'flask==0.10.1',
         'requests==2.9',
         'gunicorn~=19.0',
+        'pipes~=0.1.0',
     ],
     setup_requires=['pytest-runner'],
     tests_require=tests_require,