diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb49875..83b4e2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [4.3.1] - 2022-09-12
+
+### Added
+
+- `auth` option to config
+- `closeOnBeforeunload` option to config
+
+### Fixed
+
+- Name function `fromEventOnce` to `fromOneTimeEvent`
+
 ## [4.3.0] - 2022-06-28
 
 ### Update
diff --git a/package-lock.json b/package-lock.json
index 56ce335..73dcf5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-socket-io",
-  "version": "4.2.0",
+  "version": "4.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index d4d64ea..cd3cb68 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-socket-io",
-  "version": "4.3.0",
+  "version": "4.3.1",
   "description": "Socket.IO module for Angular",
   "main": "index.ts",
   "scripts": {