1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index abf2af5..c780396 100644
--- a/setup.py
+++ b/setup.py
@@ -27,5 +27,6 @@ A plugin for GNU Mailman that adds encrypted mailing lists via PGP/MIME.""",
         'atpublic',
         'sqlalchemy',
         'zope.interface',
+        'zope.event'
     ]
 )