diff --git a/.github/release-please-manifest.json b/.github/release-please-manifest.json
index 466df71..37fcefa 100644
--- a/.github/release-please-manifest.json
+++ b/.github/release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.1.0"
+  ".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..4e17759
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,17 @@
+# Changelog
+
+## [1.0.0](https://github.com/2rabs/nito.club/compare/v0.1.0...v1.0.0) (2024-02-29)
+
+
+### ⚠ BREAKING CHANGES
+
+* Astro プロジェクト再構築
+
+### Features
+
+* Astro プロジェクト再構築 ([7c18dda](https://github.com/2rabs/nito.club/commit/7c18dda768fa4dd07fb2e3d661bfe2186e6759f7))
+
+
+### Bug Fixes
+
+* docs 関連の削除 ([859e6ec](https://github.com/2rabs/nito.club/commit/859e6ecbfd5b99ddaa71d4357890105cd916e2e1))
diff --git a/package.json b/package.json
index 846c2c8..799ae47 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nito.club",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "description": "NITO's website.",
   "license": "MIT",
   "author": {