diff --git a/cobra/__version__.py b/cobra/__version__.py
index c8f90d20..1b27a50b 100644
--- a/cobra/__version__.py
+++ b/cobra/__version__.py
@@ -7,7 +7,7 @@
 __issue_page__ = 'https://github.com/wufeifei/cobra/issues/new'
 __python_version__ = sys.version.split()[0]
 __platform__ = platform.platform()
-__version__ = '2.0.0-beta.4'
+__version__ = '2.0.0-alpha'
 __author__ = 'Feei'
 __author_email__ = 'feei@feei.cn'
 __license__ = 'MIT License'