diff --git a/setup.py b/setup.py
index 3745b40..b1e2089 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@
     ),
     install_requires=[
         'setuptools',
-        'ZODB3',
+        'ZODB',
         'plone.memoize',
         'zope.annotation',
         'zope.component',