diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77062bfa..ca689b44 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,18 @@
 
 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.
 
+## [13.13.0](https://github.com/pact-foundation/pact-js-core/compare/v13.12.2...v13.13.0) (2022-12-02)
+
+
+### Features
+
+* new content mismatch types for plugins ([7cebccd](https://github.com/pact-foundation/pact-js-core/commit/7cebccdd412262011ae8fa33fbe1a0c26c65f10d))
+
+
+### Fixes and Improvements
+
+* pactffi_create_mock_server_for_transport returns uint32 ([8d85a81](https://github.com/pact-foundation/pact-js-core/commit/8d85a8186d1c960af780bc039bbf4793dc389e0d))
+
 ### [13.12.2](https://github.com/pact-foundation/pact-js-core/compare/v13.12.1...v13.12.2) (2022-11-28)
 
 
diff --git a/package-lock.json b/package-lock.json
index 4ae41211..0b9fdd37 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@pact-foundation/pact-core",
-  "version": "13.12.2",
+  "version": "13.13.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@pact-foundation/pact-core",
-      "version": "13.12.2",
+      "version": "13.13.0",
       "cpu": [
         "x64",
         "ia32",
diff --git a/package.json b/package.json
index b126ee05..ed9fa6a4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pact-foundation/pact-core",
-  "version": "13.12.2",
+  "version": "13.13.0",
   "description": "Core of @pact-foundation/pact. You almost certainly don't want to depend on this directly.",
   "main": "src/index.js",
   "homepage": "https://github.com/pact-foundation/pact-js-core#readme",