diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
new file mode 100644
index 0000000..30e7c54
--- /dev/null
+++ b/docs/CHANGELOG.md
@@ -0,0 +1,6 @@
+## [4.0.2](https://github.com/cycjimmy/jsmpeg-player/compare/v4.0.1...v4.0.2) (2019-10-23)
+
+
+### Bug Fixes
+
+* **release:** start to use semantic release ([fa9c554](https://github.com/cycjimmy/jsmpeg-player/commit/fa9c554cb9a0e4c2bb161e47c7267009387452ec))
diff --git a/package-lock.json b/package-lock.json
index 519c7b7..c4008ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@cycjimmy/jsmpeg-player",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9176548..0942ff4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cycjimmy/jsmpeg-player",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "description": "MPEG1 Video Player Based On JSMpeg",
   "main": "build/jsmpeg-player.min.js",
   "scripts": {