1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index e0825310f..9308c80b6 100644
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,7 @@ install_requires=[
     'WebOb',
     'zope.interface',
     'zope.component',
+    'zope.proxy',
     'zope.hookable',
     'zope.testing',
     'zope.deferredimport',