diff --git a/setup.py b/setup.py
index 81e9c48..03fb363 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
         'setuptools',
         'simple-crypt',
         'sqlalchemy',
-        'tables',  # pytables in anaconda
+        'tables>=3.3',  # pytables in anaconda
         'wrapt',
     ],
     zip_safe=False,