diff --git a/setup.py b/setup.py
index 6d179fa..45ee2ae 100755
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 long_description = open(os.path.join(cwd, 'README.rst'), 'r').read()
 
 setup(name='uModbus',
-      version='0.6.0a0',
+      version='0.6.0a1',
       author='Auke Willem Oosterhoff',
       author_email='oosterhoff@baopt.nl',
       description='Implementation of the Modbus protocol in pure Python.',