diff --git a/ufpy/__init__.py b/ufpy/__init__.py
index ba8235c..bd6db52 100644
--- a/ufpy/__init__.py
+++ b/ufpy/__init__.py
@@ -18,7 +18,7 @@ def new_func(*args, **kwargs):
     return new_func
 
 
-__version__ = '0.2.1'
+__version__ = '0.2.1.1'
 from ufpy.cmp import *
 from ufpy.math_op import *
 from ufpy.udict import *