diff --git a/python/abess/__init__.py b/python/abess/__init__.py
index 0ba23a25..c1c13867 100644
--- a/python/abess/__init__.py
+++ b/python/abess/__init__.py
@@ -5,7 +5,7 @@
 # @Site    :
 # @File    : __init__.py
 
-__version__ = "0.4.3"
+__version__ = "0.4.4"
 __author__ = ("Jin Zhu, Kangkang Jiang, "
               "Junhao Huang, Yanhang Zhang, "
               "Yanhang Zhang, Shiyun Lin, "