diff --git a/setup.py b/setup.py
index 4cde374..a19e13d 100644
--- a/setup.py
+++ b/setup.py
@@ -24,6 +24,7 @@ setup(name='pfwbged.basecontent',
           # -*- Extra requirements: -*-
           'ecreall.helpers.upgrade',
           'five.grok',
+          'collective.contact.core',
           'collective.dms.thesaurus',
           'collective.dms.basecontent',
           'collective.task',