diff --git a/cleanpy/__version__.py b/cleanpy/__version__.py
index 53e724a..993e07f 100644
--- a/cleanpy/__version__.py
+++ b/cleanpy/__version__.py
@@ -1,6 +1,6 @@
 __author__ = "Tsuyoshi Hombashi"
 __copyright__ = f"Copyright 2020, {__author__}"
 __license__ = "MIT License"
-__version__ = "0.4.0"
+__version__ = "0.5.0"
 __maintainer__ = __author__
 __email__ = "tsuyoshi.hombashi@gmail.com"