diff --git a/setup.py b/setup.py
index b2a2a9c..d8654da 100644
--- a/setup.py
+++ b/setup.py
@@ -48,6 +48,7 @@ requires = [
 
     'invoke',                           # 0.22.1
     'psycopg2',                         # 2.6.2
+    'rattail[db]',                      # 0.9.86
     'rattail-corepos',                  # 0.1.0
     'Tailbone',                         # 0.5.49
     'xlrd',                             # 1.0.0