diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..48496a0
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,15 @@
+# [1.0.0](https://github.com/egoist/majo/compare/v0.8.0...v1.0.0) (2019-11-14)
+
+### Features
+
+- rewrite in typescript ([d07511e](https://github.com/egoist/majo/commit/d07511e268d187d34c856a3742ec6e69afa011b0))
+
+BREAKING CHANGES:
+
+default export is now removed, use named export `majo` instead:
+
+```js
+const { majo } = require('majo')
+// or
+import { majo } from 'majo'
+```
diff --git a/circle.yml b/circle.yml
index 31a456a..48df2a9 100644
--- a/circle.yml
+++ b/circle.yml
@@ -23,6 +23,6 @@ jobs:
           command: yarn test
       - run:
           name: releae
-          command: >
-            echo "//registry.yarnpkg.com/:_authToken=$NPM_TOKEN" >>~/.npmrc && \
+          command: |
+            echo "//registry.yarnpkg.com/:_authToken=$NPM_TOKEN" >>~/.npmrc \
             npx shipjs trigger
diff --git a/package.json b/package.json
index 664b062..467bd4b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "majo",
-  "version": "0.8.0",
+  "version": "1.0.0",
   "description": "A minimal module to manipulate files.",
   "repository": {
     "url": "egoist/majo",