diff --git a/bnlp/__init__.py b/bnlp/__init__.py
index c7b6571..17b38e9 100644
--- a/bnlp/__init__.py
+++ b/bnlp/__init__.py
@@ -1,5 +1,5 @@
 
-__version__ = "4.0.0"
+__version__ = "4.0.1"
 
 import os
 from bnlp.tokenizer.basic import BasicTokenizer