diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99c48375..a67ba40c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,22 @@
 
 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.
 
+<a name="2.4.0"></a>
+# [2.4.0](https://github.com/panva/node-openid-client/compare/v2.3.1...v2.4.0) (2018-09-16)
+
+
+### Bug Fixes
+
+* OpenIdConnectError also returns session_state ([95fae3d](https://github.com/panva/node-openid-client/commit/95fae3d))
+* stop sending state on the authorisation code token grant ([c4c9e50](https://github.com/panva/node-openid-client/commit/c4c9e50))
+
+
+### Features
+
+* add RP-Initiated Logout URL helper ([7c2e030](https://github.com/panva/node-openid-client/commit/7c2e030)), closes [#116](https://github.com/panva/node-openid-client/issues/116)
+
+
+
 <a name="2.3.1"></a>
 ## [2.3.1](https://github.com/panva/node-openid-client/compare/v2.3.0...v2.3.1) (2018-08-23)
 
diff --git a/package.json b/package.json
index cc3b02cd..7bfcd813 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openid-client",
-  "version": "2.3.1",
+  "version": "2.4.0",
   "description": "OpenID Connect Relying Party (RP, Client) implementation for Node.js servers, supports passportjs",
   "keywords": [
     "auth",