diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4bfce3ed37..ba5f1171ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [4.5.3] - 2019-10-06
+
 ### Changed
 
 -  `bundle`: Bumped DirectLineJS to support metadata when uploading attachments, in PR [#2433](https://github.com/microsoft/BotFramework-WebChat/pull/2433)
diff --git a/package-lock.json b/package-lock.json
index 968ae77147..d36960d99d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "botframework-webchat-root",
-  "version": "4.5.2",
+  "version": "4.5.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 7301ff982c..5e731823ee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botframework-webchat-root",
-  "version": "4.5.2",
+  "version": "4.5.3",
   "private": true,
   "files": [
     "lib/**/*"