diff --git a/CHANGELOG.md b/CHANGELOG.md
index b217cc1a..cec8b675 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [4.5.1](https://github.com/vendia/serverless-express/compare/v4.5.0...v4.5.1) (2021-10-13)
+
+
+### Bug Fixes
+
+* bug when empty event headers ([#462](https://github.com/vendia/serverless-express/issues/462)) ([#463](https://github.com/vendia/serverless-express/issues/463)) ([2b66164](https://github.com/vendia/serverless-express/commit/2b661640c23940fc873f70409c4c9689b65e512d))
+
 # [4.5.0](https://github.com/vendia/serverless-express/compare/v4.4.0...v4.5.0) (2021-10-13)
 
 
diff --git a/package-lock.json b/package-lock.json
index b6518626..d1d3ddbd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@vendia/serverless-express",
-  "version": "4.5.0",
+  "version": "4.5.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@vendia/serverless-express",
-      "version": "4.5.0",
+      "version": "4.5.1",
       "license": "Apache-2.0",
       "devDependencies": {
         "@commitlint/config-conventional": "^11.0.0",
diff --git a/package.json b/package.json
index efc71e5b..2c7fda11 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vendia/serverless-express",
-  "version": "4.5.0",
+  "version": "4.5.1",
   "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",