diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f7ce68..0a866a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,23 @@
 All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html), enforced with [semantic-release](https://github.com/semantic-release/semantic-release).
 
+## [1.4.0](https://github.com/hertzg/node-net-keepalive/compare/v1.3.9...v1.4.0) (2020-11-09)
+
+### Features
+
+- add support for the TCP_USER_TIMEOUT option ([51462f7](https://github.com/hertzg/node-net-keepalive/commit/51462f7ab0f4a86616624013af7591a2e37a09e4))
+
+### Bug Fixes
+
+- requires node >=10.20.0 instead of >=4 ([b8fe01c](https://github.com/hertzg/node-net-keepalive/commit/b8fe01c1c6d7367da9e365aa48f4cf8a8e911d64))
+- temp monkey patch to allow tests to pass (ref: [#93](https://github.com/hertzg/node-net-keepalive/issues/93)) ([4cb944e](https://github.com/hertzg/node-net-keepalive/commit/4cb944e748b62a141af6c993be033bdd2336d52f))
+- throw in (set|get)ters when constant == null ([b5f1ce4](https://github.com/hertzg/node-net-keepalive/commit/b5f1ce4e694ecc1a22913d095d60937c4598242f))
+
+# Changelog
+
+All notable changes to this project will be documented in this file.
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html), enforced with [semantic-release](https://github.com/semantic-release/semantic-release).
+
 ### [1.3.9](https://github.com/hertzg/node-net-keepalive/compare/v1.3.8...v1.3.9) (2020-09-11)
 
 ### Bug Fixes
diff --git a/package-lock.json b/package-lock.json
index 90b32a9..f9d818a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "net-keepalive",
-  "version": "1.3.9",
+  "version": "1.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 078d0d9..770bc1d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "net-keepalive",
-  "version": "1.3.9",
+  "version": "1.4.0",
   "description": "Provides high-level access to socket options like TCP_KEEPIDLE, TCP_KEEPINTVL, TCP_KEEPCNT",
   "main": "index.js",
   "scripts": {