diff --git a/setup.py b/setup.py
index bf849f74d..45660c10f 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     install_requires.append('funcsigs')
 
 setup(name='chainerrl',
-      version='0.5.0',
+      version='0.6.0',
       description='ChainerRL, a deep reinforcement learning library',
       long_description=codecs.open('README.md', 'r', encoding='utf-8').read(),
       long_description_content_type='text/markdown',