diff --git a/setup.py b/setup.py
index 465b24c..c8a8227 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@ install_requires = [
 
 setup(
     name='fasteners',
-    version='0.4.0',
+    version='0.5.0',
     description='A python package that provides useful locks.',
     author="Joshua Harlow",
     author_email='harlowja@yahoo-inc.com',