diff --git a/requirements.txt b/requirements.txt
index c2671ad9..3e103960 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 argparse
+plumbum
 pyyaml
 simplejson
 
diff --git a/setup.py b/setup.py
index 24ada47a..acce3581 100644
--- a/setup.py
+++ b/setup.py
@@ -7,6 +7,7 @@ setup(
     packages=find_packages('.', exclude=('tests*', 'testing*')),
     install_requires=[
         'argparse',
+        'plumbum',
         'simplejson',
     ],
     scripts=[