diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9701e9eb5..3df260b0c 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file. See [commit-and-tag-version](https://github.com/absolute-version/commit-and-tag-version) for commit guidelines.
 
+## [13.0.0](https://github.com/pact-foundation/pact-js/compare/v12.5.2...v13.0.0) (2024-06-17)
+
+
+### ⚠ BREAKING CHANGES
+
+* update to @pact-foundation/pact-core to 15.x
+
+### Fixes and Improvements
+
+* update to @pact-foundation/pact-core to 15.x ([42f52bb](https://github.com/pact-foundation/pact-js/commit/42f52bb9dbe5c65094e0ce8979605a8457f18ba5))
+
 ### [12.5.2](https://github.com/pact-foundation/pact-js/compare/v12.5.1...v12.5.2) (2024-05-30)
 
 
diff --git a/package-lock.json b/package-lock.json
index 9a39d8bc8..c09623961 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@pact-foundation/pact",
-  "version": "12.5.2",
+  "version": "13.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@pact-foundation/pact",
-      "version": "12.5.2",
+      "version": "13.0.0",
       "license": "MIT",
       "dependencies": {
         "@pact-foundation/pact-core": "^15.0.0",
diff --git a/package.json b/package.json
index f201f3d26..bfa935eb2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pact-foundation/pact",
-  "version": "12.5.2",
+  "version": "13.0.0",
   "description": "Pact for all things Javascript",
   "main": "./src/index.js",
   "types": "./src/index.d.ts",