diff --git a/setup.py b/setup.py
index 276b1a4..9ce8628 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def finalize_options(self):
 
 setup(
     name='cshogi',
-    version='0.1.7',
+    version='0.1.8',
     packages=['cshogi', 'cshogi.usi', 'cshogi.gym_shogi', 'cshogi.gym_shogi.envs'],
     ext_modules=ext_modules,
     cmdclass={'build_ext': my_build_ext},