diff --git a/setup.py b/setup.py
index 3dad1fed..1ded0190 100644
--- a/setup.py
+++ b/setup.py
@@ -71,6 +71,7 @@ requires = [
     'webhelpers2_grid==0.1',            # 0.1
 
     'ColanderAlchemy',                  # 0.3.3
+    'cornice',                          # 3.4.2
     'deform',                           # 2.0.4
     'humanize',                         # 0.5.1
     'Mako',                             # 0.6.2