diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d5b69779d..393e3946e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 ### New features
 
+#### Add collapseOnMobile breadcrumbs flag
+
+Add a collapseOnMobile flag to breadcrumbs which, when set to true, means the breadcrumb collapses to the first and last items only on mobile.
+
+[Pull request #1754: Add collapseOnMobile breadcrumbs flag](https://github.com/alphagov/govuk-frontend/pull/1754)
+
 #### Add display override for hiding content when printing
 
 Introduce a CSS class that can be used to hide any given element from the print view: `govuk-!-display-none-print`