diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c95504e..2e13f1d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version-file: "go.mod"
 
diff --git a/.github/workflows/linux_test.yml b/.github/workflows/linux_test.yml
index 2c7fa30..2dcc0b3 100644
--- a/.github/workflows/linux_test.yml
+++ b/.github/workflows/linux_test.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
           go-version: "1"
           check-latest: true
diff --git a/.github/workflows/mac_test.yml b/.github/workflows/mac_test.yml
index baec95a..f6cb6df 100644
--- a/.github/workflows/mac_test.yml
+++ b/.github/workflows/mac_test.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
           go-version: "1"
           check-latest: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 829913e..52abdeb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version-file: "go.mod"
       - name: Run GoReleaser
diff --git a/.github/workflows/windows_test.yml b/.github/workflows/windows_test.yml
index 6a17f99..4ccee50 100644
--- a/.github/workflows/windows_test.yml
+++ b/.github/workflows/windows_test.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
           go-version: "1"
           check-latest: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37832f0..bcfa6bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,3 @@
-## [](/compare/77bdf974281a...) (2023-12-23)
+## [](https://github.com/nao1215/rainbow/compare/77bdf974281a...) (2023-12-24)
 
+* Introduce project template files [#1](https://github.com/nao1215/rainbow/pull/1) ([nao1215](https://github.com/nao1215))
diff --git a/README.md b/README.md
index 9063bc5..13dbad3 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,26 @@
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 [![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
+![Coverage](https://raw.githubusercontent.com/nao1215/octocovs-central-repo/main/badges/nao1215/rainbow/coverage.svg)
+[![LinuxUnitTest](https://github.com/nao1215/rainbow/actions/workflows/linux_test.yml/badge.svg)](https://github.com/nao1215/rainbow/actions/workflows/linux_test.yml)
+[![WindowsUnitTest](https://github.com/nao1215/rainbow/actions/workflows/windows_test.yml/badge.svg)](https://github.com/nao1215/rainbow/actions/workflows/windows_test.yml)
+[![MacUnitTest](https://github.com/nao1215/rainbow/actions/workflows/mac_test.yml/badge.svg)](https://github.com/nao1215/rainbow/actions/workflows/mac_test.yml)
+[![reviewdog](https://github.com/nao1215/rainbow/actions/workflows/reviewdog.yml/badge.svg)](https://github.com/nao1215/rainbow/actions/workflows/reviewdog.yml)
+[![Gosec](https://github.com/nao1215/rainbow/actions/workflows/security.yml/badge.svg)](https://github.com/nao1215/rainbow/actions/workflows/security.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/nao1215/rainbow)](https://goreportcard.com/report/github.com/nao1215/rainbow)
+
 ## rainbow 
 > [!IMPORTANT]  
 > This project is under development. Do not use it in production environments.
 
 The rainbow project is a toolset for managing AWS resources. This project consists of multiple CLI and CloudFormation templates.
 
+## Supported OS & Go version
+- Linux
+- Mac
+- Windows
+- Go 1.19 or later
+
 ## CLI List
 [WIP]
 
@@ -20,7 +34,8 @@ This project is licensed under the terms of the MIT license. See the [LICENSE](.
 Contributions are welcome! Please see [CONTRIBUTING.md](./CONTRIBUTING.md), [Code of Conduct](./CODE_OF_CONDUCT.md) for more information. This project incurs costs on AWS, and financial support from you would make it easier to maintain the project. If you wish to provide financial support, please do so through [GitHub Sponsors](https://github.com/sponsors/nao1215)
 
 ## GitHub Star History
-[WIP]
+Stars from you motivate me to keep going.
+[![Star History Chart](https://api.star-history.com/svg?repos=nao1215/rainbow&type=Date)](https://star-history.com/#nao1215/rainbow&Date)
 
 ## Contributors ✨
 Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):