diff --git a/changelog.md b/changelog.md
index 3c4e2e0e5..2442e0462 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,12 @@
+<a name="4.2.1"></a>
+
+## [4.2.1](https://github.com/leancloud/js-realtime-sdk/compare/v4.2.0...v4.2.1) (2018-10-09)
+
+### Bug Fixes
+
+- 现在能正确处理对话属性中的数组类型了。
+- 移除了关于 `region` 参数不再使用的警告。
+
 <a name="4.2.0"></a>
 
 # [4.2.0](https://github.com/leancloud/js-realtime-sdk/compare/v4.1.0...v4.2.0) (2018-07-06)
diff --git a/package.json b/package.json
index 27e397d44..87215b689 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "leancloud-realtime",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "LeanCloud Realtime Message JavaScript SDK",
   "main": "./dist/realtime.js",
   "jsnext:main": "./src/index.js",