1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index fff709f2f..79f2acc42 100644
--- a/setup.py
+++ b/setup.py
@@ -35,6 +35,7 @@ setup(
         'lxml',
         'pyyaml',
         'setuptools',
+        'python-dateutil',
     ],
     extras_require={
         'test': [