diff --git a/packages/engine.io/CHANGELOG.md b/packages/engine.io/CHANGELOG.md
index 710561547..6ad935dcc 100644
--- a/packages/engine.io/CHANGELOG.md
+++ b/packages/engine.io/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 | Version                                                                                              | Release date   |
 |------------------------------------------------------------------------------------------------------|----------------|
+| [6.6.3](#663-2025-01-23)                                                                             | January 2025   |
 | [6.6.2](#662-2024-10-09)                                                                             | October 2024   |
 | [6.6.1](#661-2024-09-21)                                                                             | September 2024 |
 | [6.6.0](#660-2024-06-21)                                                                             | June 2024      |
@@ -47,6 +48,19 @@
 
 # Release notes
 
+## [6.6.3](https://github.com/socketio/socket.io/compare/engine.io@6.6.2...engine.io@6.6.3) (2025-01-23)
+
+This release contains a bump of the `cookie` dependency.
+
+Release notes: https://github.com/jshttp/cookie/releases/tag/v1.0.0
+
+
+### Dependencies
+
+- [`ws@~8.17.1`](https://github.com/websockets/ws/releases/tag/8.17.1) (no change)
+
+
+
 ## [6.6.2](https://github.com/socketio/socket.io/compare/engine.io@6.6.1...engine.io@6.6.2) (2024-10-09)
 
 This release contains a bump of the `cookie` dependency.
diff --git a/packages/engine.io/package.json b/packages/engine.io/package.json
index c7b3bb154..79fd6d30e 100644
--- a/packages/engine.io/package.json
+++ b/packages/engine.io/package.json
@@ -1,6 +1,6 @@
 {
   "name": "engine.io",
-  "version": "6.6.2",
+  "version": "6.6.3",
   "description": "The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server",
   "type": "commonjs",
   "main": "./build/engine.io.js",