diff --git a/CHANGELOG.md b/CHANGELOG.md
index 097977caeb..52d49db384 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+- [#2251: Update Accordion Design](https://github.com/alphagov/govuk-frontend/pull/2257)
+
 ### Fixes
 
 We’ve made fixes to GOV.UK Frontend in the following pull requests: