diff --git a/CHANGELOG.md b/CHANGELOG.md
index d729dd630a..a93fc6b777 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]
 
+## [4.15.9] - 2023-08-25
+
 ### Fixed
 
 -  Fixes [#4718](https://github.com/microsoft/BotFramework-WebChat/issues/4718). In high contrast mode, Adaptive Card buttons, when pushed, should highlighted properly, by [@compulim](https://github.com/compulim), in PR [#4746](https://github.com/microsoft/BotFramework-WebChat/pull/4746)
diff --git a/package-lock.json b/package-lock.json
index 35526fd30c..f3b739cb70 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "botframework-webchat-root",
-  "version": "4.15.9-0",
+  "version": "4.15.9",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "botframework-webchat-root",
-      "version": "4.15.9-0",
+      "version": "4.15.9",
       "license": "MIT",
       "dependencies": {
         "react": "16.8.6",
diff --git a/package.json b/package.json
index c81d60fa3c..7b61189229 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botframework-webchat-root",
-  "version": "4.15.9-0",
+  "version": "4.15.9",
   "private": true,
   "files": [
     "lib/**/*"