diff --git a/setup.py b/setup.py
index f76b655..cb7ee9b 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 from setuptools import setup
 
 NAME =               'scikits.cuda'
-VERSION =            '0.5.0a3'
+VERSION =            '0.5.0b1'
 AUTHOR =             'Lev Givon'
 AUTHOR_EMAIL =       'lev@columbia.edu'
 URL =                'https://github.com/lebedov/scikits.cuda/'