diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce4419c..dac5b84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # History
 
+- [5.1.0](#510-2023-06-11) (Jun 2023)
 - [5.0.7](#507-2023-05-24) (May 2023)
 - [5.0.6](#506-2023-01-16) (Jan 2023)
 - [5.0.5](#505-2023-01-06) (Jan 2023)
@@ -19,6 +20,15 @@
 
 # Release notes
 
+# [5.1.0](https://github.com/socketio/engine.io-parser/compare/5.0.7...5.1.0) (2023-06-11)
+
+
+### Features
+
+* implement WebTransport-related encoding/decoding ([bed70a4](https://github.com/socketio/engine.io-parser/commit/bed70a4f2598ebdf96d8ccc1b5d838b1a77a4290))
+
+
+
 ## [5.0.7](https://github.com/socketio/engine.io-parser/compare/5.0.6...5.0.7) (2023-05-24)
 
 The CommonJS build now includes the TypeScript declarations too, in order to be compatible the "node16" moduleResolution.
diff --git a/package.json b/package.json
index c385d21..763ecd0 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "engine.io-parser",
   "description": "Parser for the client for the realtime Engine",
   "license": "MIT",
-  "version": "5.0.7",
+  "version": "5.1.0",
   "main": "./build/cjs/index.js",
   "module": "./build/esm/index.js",
   "exports": {