diff --git a/CHANGELOG.md b/CHANGELOG.md
index a558066..59a8ab8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## 2023
 
+- [4.2.4](#424-2023-05-31) (May 2023)
 - [3.4.3](#343-2023-05-22) (May 2023) (from the [3.4.x](https://github.com/socketio/socket.io-parser/tree/3.4.x) branch)
 - [4.2.3](#423-2023-05-22) (May 2023)
 - [4.2.2](#422-2023-01-19) (Jan 2023)
@@ -43,6 +44,16 @@
 
 # Release notes
 
+## [4.2.4](https://github.com/socketio/socket.io-parser/compare/4.2.3...4.2.4) (2023-05-31)
+
+
+### Bug Fixes
+
+* ensure reserved events cannot be used as event names ([d9db473](https://github.com/socketio/socket.io-parser/commit/d9db4737a3c8ce5f1f49ecc8d928a74f3da591f7))
+* properly detect plain objects ([b0e6400](https://github.com/socketio/socket.io-parser/commit/b0e6400c93b5c4aa25e6a629d6448b8627275213))
+
+
+
 ## [3.4.3](https://github.com/socketio/socket.io-parser/compare/3.4.2...3.4.3) (2023-05-22)
 
 
diff --git a/package.json b/package.json
index 0f375d5..478c8fe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "socket.io-parser",
-  "version": "4.2.3",
+  "version": "4.2.4",
   "description": "socket.io protocol parser",
   "repository": {
     "type": "git",