diff --git a/setup.py b/setup.py
index 6f997b9..28ebf1d 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@ def package_files(directory):
         "scipy",
         "premise",
         "pyyaml",
-        "scikit-umfpack"
+        "scikit-umfpack",
     ],
     url="https://github.com/polca/premise",
     description="Scenario-level LCA of energy systems and transition pathways",