diff --git a/setup.py b/setup.py
index 5d2cc2c8..d95ce2a8 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name='bert4keras',
-    version='0.4.9',
+    version='0.5.0',
     description='an elegant bert4keras',
     # long_description=open('README.rst').read(),
     license='Apache License 2.0',