diff --git a/.spelling b/.spelling
index ec443f3445..a03989748a 100644
--- a/.spelling
+++ b/.spelling
@@ -752,6 +752,7 @@ v6.1.1
 v6.2.0
 v6.2.1
 v6.2.2
+v6.2.3
 validatenotnullorempty
 versioned
 versioning
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0921494939..50a92bf00f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## v6.2.3 - 09/12/2019
+
+### Engine Updates and Fixes
+
+- Fix debugger performance regression in system lock down mode (#10269)
+
+### Tests
+
+- Remove `markdownlint` tests due to security issues (#10163)
+
+### Build and Packaging Improvements
+
+- Update DotNet SDK and runtime framework version (Internal 9946)
+- Fix macOS build break (#10207)
+
 ## v6.2.2 - 07/16/2019
 
 ### Breaking Changes