diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
new file mode 100644
index 0000000..ba959c1
--- /dev/null
+++ b/docs/CHANGELOG.md
@@ -0,0 +1,6 @@
+## 1.0.0 (2023-03-31)
+
+
+### Features
+
+* release initial version ([8ba69b9](https://github.com/haru52/convertflac/commit/8ba69b983e5766130c5afb64e5ecf8b9e24e5994))
diff --git a/package-lock.json b/package-lock.json
index a3af4b4..8a236e2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "convertflac",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "convertflac",
-      "version": "0.1.0",
+      "version": "1.0.0",
       "license": "MIT",
       "devDependencies": {
         "@commitlint/cli": "^17.5.1",