diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7b3ac0b67..50f7c3d7bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### New features
+
+- [#2206: plugin validator tool](https://github.com/alphagov/govuk-prototype-kit/pull/2206) - We've created a tool to help test plugins for the Prototype Kit. It's only for internal use at the moment, but we're planning to make it public soon.
+
 ## 13.8.1
 
 ### Fixes