diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a7be952..3c2338af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [4.13.0](https://github.com/CodeGenieApp/serverless-express/compare/v4.12.5...v4.13.0) (2023-12-22)
+
+
+### Features
+
+* add support for Step Functions ([#668](https://github.com/CodeGenieApp/serverless-express/issues/668)) ([1151a3a](https://github.com/CodeGenieApp/serverless-express/commit/1151a3a1b0fc1f5d9fe04b9ee12ae2d011ac7c43))
+
 ## [4.12.5](https://github.com/CodeGenieApp/serverless-express/compare/v4.12.4...v4.12.5) (2023-12-19)
 
 
diff --git a/package-lock.json b/package-lock.json
index 2dfe68e0..2874d569 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@codegenie/serverless-express",
-  "version": "4.12.5",
+  "version": "4.13.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@codegenie/serverless-express",
-      "version": "4.12.5",
+      "version": "4.13.0",
       "license": "Apache-2.0",
       "devDependencies": {
         "@commitlint/config-conventional": "^18.4.3",
diff --git a/package.json b/package.json
index 215c09ce..9952c0ee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@codegenie/serverless-express",
-  "version": "4.12.5",
+  "version": "4.13.0",
   "description": "This library enables you to utilize AWS Lambda and Amazon API Gateway to respond to web and API requests using your existing Node.js application framework.",
   "keywords": [
     "aws",