diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fe8f3a..54c82d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## [3.4.2](https://github.com/socketio/socket.io-parser/compare/3.4.1...3.4.2) (2022-11-09)
+
+
+### Bug Fixes
+
+* check the format of the index of each attachment ([04d23ce](https://github.com/socketio/socket.io-parser/commit/04d23cecafe1b859fb03e0cbf6ba3b74dff56d14))
+
+
+
 ## [3.4.1](https://github.com/socketio/socket.io-parser/compare/3.4.0...3.4.1) (2020-05-13)
 
 
diff --git a/package.json b/package.json
index ae6be5c..f82999a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "socket.io-parser",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "socket.io protocol parser",
   "repository": {
     "type": "git",