diff --git a/CHANGELOG.md b/CHANGELOG.md
index c16488a087..a2e72c77ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -60,6 +60,7 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
    -  Added new style options `borderAnimationColor1`, `borderAnimationColor2`, and `borderAnimationColor3` for customizing decorator colors, in PR [#5312](https://github.com/microsoft/BotFramework-WebChat/pull/5312)
 -  Added `styleOptions.bubbleAttachmentMaxWidth`/`bubbleAttachmentMinWidth` and `styleOptions.bubbleMessageMaxWidth`/`bubbleMessageMinWidth`, in PR [#5321](https://github.com/microsoft/BotFramework-WebChat/pull/5321), by [@compulim](https://github.com/compulim)
 -  (Experimental) Added more CSS variables support, in PR [#5321](https://github.com/microsoft/BotFramework-WebChat/pull/5321), by [@compulim](https://github.com/compulim)
+-  Added MathML/TeX block support in Markdown via `micromark-extension-math` and `katex`, in PR [#5332](https://github.com/microsoft/BotFramework-WebChat/pull/5332), by [@compulim](https://github.com/compulim)
 
 ### Changed