diff --git a/setup.py b/setup.py
index 6e49ba8..e0e108c 100644
--- a/setup.py
+++ b/setup.py
@@ -39,6 +39,7 @@ setup(
         'tamu_axolotl',
         'Jinja2',
         'numpy==1.18.2',
+        'combo',
         'simplejson==3.12.0',
         'scikit-learn==0.22.0',
 	'statsmodels==0.11.1',