diff --git a/CMakeLists.txt b/CMakeLists.txt
index dd23343..85d891d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(small_gicp VERSION 0.1.3 LANGUAGES C CXX)
+project(small_gicp VERSION 1.0.0 LANGUAGES C CXX)
 
 set(CMAKE_CXX_STANDARD 17)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
diff --git a/docs/conf.py b/docs/conf.py
index 1062760..cc1b0c5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = 'small_gicp'
 copyright = '2024, k.koide'
 author = 'k.koide'
-version = '0.1.3'
+version = '1.0.0'
 
 import os
 import sys
diff --git a/package.xml b/package.xml
index 425973a..6c7d76c 100644
--- a/package.xml
+++ b/package.xml
@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">  
   <name>small_gicp</name>
-  <version>0.1.3</version>
+  <version>1.0.0</version>
   <description>Efficient and parallelized algorithms for point cloud registration</description>
 
   <maintainer email="k.koide@aist.go.jp">Kenji Koide</maintainer>
diff --git a/pyproject.toml b/pyproject.toml
index 283d778..12ec82f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "small_gicp"
-version = "0.1.3"
+version = "1.0.0"
 authors = [{name = "Kenji Koide", email = "k.koide@aist.go.jp"}]
 description = "Efficient and parallelized algorithms for fine point cloud registration"
 readme = "README.md"