diff --git a/prestodb/__init__.py b/prestodb/__init__.py
index 35170c7..f3b3f49 100644
--- a/prestodb/__init__.py
+++ b/prestodb/__init__.py
@@ -19,4 +19,4 @@
 from . import exceptions
 from . import logging
 
-__version__ = '0.4.2'
+__version__ = '0.5.1'