diff --git a/setup.py b/setup.py
index d51487e..6af4985 100644
--- a/setup.py
+++ b/setup.py
@@ -28,6 +28,7 @@
 	  packages=find_packages('src'),
 	  package_dir={'': 'src'},
 
+      install_requires=['ZODB3'],
       include_package_data=True,
       zip_safe=False,
       )