diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76524772c..7358ffd4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@
 
 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="5.3.0"></a>
+# [5.3.0](https://github.com/pact-foundation/pact-js/compare/v5.2.0...v5.3.0) (2017-12-11)
+
+
+### Features
+
+* **parallel:** allow pactfileWriteMode to support 'merge'. [#124](https://github.com/pact-foundation/pact-js/issues/124) ([81e1078](https://github.com/pact-foundation/pact-js/commit/81e1078))
+
+
+
 <a name="5.2.0"></a>
 # [5.2.0](https://github.com/pact-foundation/pact-js/compare/v5.0.3...v5.2.0) (2017-12-10)
 
diff --git a/package.json b/package.json
index 8de1ebd5d..7c5f9e74e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pact-foundation/pact",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "description": "Pact for all things Javascript",
   "main": "./pact.js",
   "types": "./pact.d.ts",