diff --git a/docs/sphinx/manual/en/source/conf.py b/docs/sphinx/manual/en/source/conf.py
index 2c38cee7..727a41cd 100644
--- a/docs/sphinx/manual/en/source/conf.py
+++ b/docs/sphinx/manual/en/source/conf.py
@@ -34,7 +34,7 @@
 # The short X.Y version.
 version = '1.0'
 # The full version, including alpha/beta/rc tags.
-release = '1.0.0'
+release = '1.0.1'
 
 # for jupyter-notebook
 
diff --git a/docs/sphinx/manual/ja/source/conf.py b/docs/sphinx/manual/ja/source/conf.py
index 9a23ac05..b6ab8fa6 100644
--- a/docs/sphinx/manual/ja/source/conf.py
+++ b/docs/sphinx/manual/ja/source/conf.py
@@ -28,7 +28,7 @@
 # The short X.Y version.
 version = '1.0'
 # The full version, including alpha/beta/rc tags.
-release = '1.0.0'
+release = '1.0.1'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/physbo/__init__.py b/physbo/__init__.py
index 93e95346..d8721730 100644
--- a/physbo/__init__.py
+++ b/physbo/__init__.py
@@ -7,4 +7,4 @@
 from .predictor import base_predictor
 from .variable import variable
 
-__version__ = "1.0.0"
+__version__ = "1.0.1"
diff --git a/setup.cfg b/setup.cfg
index e7bec724..b3201c31 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = physbo
-version = 1.0.0
+version = 1.0.1
 description = optimization tool for PHYSics based on Bayesian Optimization
 long_description = file: README.md
 long_description_content_type = text/markdown