diff --git a/fastNLP/__init__.py b/fastNLP/__init__.py
index 31249c80..38007c3f 100644
--- a/fastNLP/__init__.py
+++ b/fastNLP/__init__.py
@@ -2,4 +2,4 @@
 from fastNLP.envs import *
 from fastNLP.core import *
 
-__version__ = '1.0.0alpha'
+__version__ = '1.0.0beta'