diff --git a/setup.py b/setup.py
index b3e21f9..4a91f12 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 """
 
 __author__ = 'kensuke-mi'
-__version__ = '1.3'
+__version__ = '1.3.1'
 
 import sys
 import pip