diff --git a/requirements.txt b/requirements.txt
index be865909..0dd4aabb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-alembic>=0.6.2
+alembic>=0.6.4
 Babel>=1.3
 eventlet>=0.13.0
 Flask>=0.10,<1.0