diff --git a/CHANGELOG.md b/CHANGELOG.md
index e93ffcf620..f385e2d256 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,30 @@
-# Change Log
+# Changelog
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [3.4.0](https://github.com/webpack/webpack-dev-server/compare/v3.3.1...v3.4.0) (2019-05-17)
+
+
+### Bug Fixes
+
+* don't use self.location.port ([#1838](https://github.com/webpack/webpack-dev-server/issues/1838)) ([6d31984](https://github.com/webpack/webpack-dev-server/commit/6d31984))
+* do not include config files in dist ([#1883](https://github.com/webpack/webpack-dev-server/issues/1883)) ([c535bb2](https://github.com/webpack/webpack-dev-server/commit/c535bb2))
+* only add client entry to web targets ([#1775](https://github.com/webpack/webpack-dev-server/issues/1775)) ([cf4d0d0](https://github.com/webpack/webpack-dev-server/commit/cf4d0d0))
+* update clientLogLevel to match docs and error ([#1825](https://github.com/webpack/webpack-dev-server/issues/1825)) ([7f52bbf](https://github.com/webpack/webpack-dev-server/commit/7f52bbf))
+* add errors-warnings preset ([#1895](https://github.com/webpack/webpack-dev-server/issues/1895)) ([2a81ad2](https://github.com/webpack/webpack-dev-server/commit/2a81ad2))
+
+
+### Features
+
+* added injectClient option ([#1775](https://github.com/webpack/webpack-dev-server/issues/1775)) ([cf4d0d0](https://github.com/webpack/webpack-dev-server/commit/cf4d0d0))
+* added injectHot option ([#1775](https://github.com/webpack/webpack-dev-server/issues/1775)) ([cf4d0d0](https://github.com/webpack/webpack-dev-server/commit/cf4d0d0))
+* added sockPort option ([#1792](https://github.com/webpack/webpack-dev-server/issues/1792)) ([58d1682](https://github.com/webpack/webpack-dev-server/commit/58d1682))
+* added sockHost option ([#1858](https://github.com/webpack/webpack-dev-server/issues/1858)) ([f47dff2](https://github.com/webpack/webpack-dev-server/commit/f47dff2))
+* support HEAD method ([#1875](https://github.com/webpack/webpack-dev-server/issues/1875)) ([c2360e4](https://github.com/webpack/webpack-dev-server/commit/c2360e4))
+* added liveReload option ([#1889](https://github.com/webpack/webpack-dev-server/issues/1889)) ([fc4fe32](https://github.com/webpack/webpack-dev-server/commit/fc4fe32))
+* update express to 4.17 version
+
+
 ## [3.3.1](https://github.com/webpack/webpack-dev-server/compare/v3.3.0...v3.3.1) (2019-04-09)
 
 
diff --git a/package-lock.json b/package-lock.json
index 205035c54b..81808bf872 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "webpack-dev-server",
-  "version": "3.3.1",
+  "version": "3.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index a6a1a53ea1..92faec7c6a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webpack-dev-server",
-  "version": "3.3.1",
+  "version": "3.4.0",
   "description": "Serves a webpack app. Updates the browser on changes.",
   "bin": "bin/webpack-dev-server.js",
   "main": "lib/Server.js",