diff --git a/CHANGELOG.md b/CHANGELOG.md
index 938e0f8a..b5207a38 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,19 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [4.2.0](https://github.com/SocketDev/socket-sdk-js/releases/tag/v4.2.0) - 2026-10-08
+
+### Fixed
+
+- **`build`** — align SDK bundle tooling
+- **`purl`** — route batch requests through purl api
+
+### Internal
+
+- **`deps`** — repair SDK workspace catalog
+- **`fleet`** — point run-main imports at process/main/run
+- **`bootstrap`** — point preinstall at current fleet payload
+
 ## [4.1.5](https://github.com/SocketDev/socket-sdk-js/releases/tag/v4.1.5) - 2026-09-22
 
 ### Added
diff --git a/package.json b/package.json
index 8ee355d9..068f137d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@socketsecurity/sdk",
-  "version": "4.2.0-prerelease",
+  "version": "4.2.0",
   "description": "SDK for the Socket API client",
   "homepage": "https://github.com/SocketDev/socket-sdk-js",
   "license": "MIT",