diff --git a/setup.py b/setup.py
index ee8a33c..f10e2d5 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ setup(
     },
     install_requires=[
         'docutils',
-        'SQLAlchemy>=0.5.1',
+        'SQLAlchemy>=0.6',
         'whoosh>=0.3.0b24',
     ],