--- setup.py.orig	2023-04-06 13:14:52.442863232 +0300
+++ setup.py	2023-04-06 13:15:02.423686713 +0300
@@ -21,7 +21,7 @@
 from setuptools import Extension, setup
 
 package_name = "tkrzw"
-package_version = "0.1.30"
+package_version = "0.1.31"
 package_description = "a set of implementations of DBM"
 package_author = "Mikio Hirabayashi"
 package_author_email = "hirarin@gmail.com"