diff --git a/parallel_wavegan/__init__.py b/parallel_wavegan/__init__.py
index 9d7b8d24..772ec46f 100644
--- a/parallel_wavegan/__init__.py
+++ b/parallel_wavegan/__init__.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = "0.4.5"
+__version__ = "0.4.6"
diff --git a/setup.py b/setup.py
index 06931d2a..414b6b94 100644
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@
 
 dirname = os.path.dirname(__file__)
 setup(name="parallel_wavegan",
-      version="0.4.5",
+      version="0.4.6",
       url="http://github.com/kan-bayashi/ParallelWaveGAN",
       author="Tomoki Hayashi",
       author_email="hayashi.tomoki@g.sp.m.is.nagoya-u.ac.jp",