diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09d252b386..56cf4a7893 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@
   useful summary for people upgrading their application, not a replication
   of the commit log.
 
+## Unreleased
+
+* Increase notice border size ([#1254](https://github.com/alphagov/govuk_publishing_components/pull/1254))
+
 ## 21.19.0
 
 * Add print icons ([#1251](https://github.com/alphagov/govuk_publishing_components/pull/1251))
diff --git a/app/assets/stylesheets/govuk_publishing_components/components/_notice.scss b/app/assets/stylesheets/govuk_publishing_components/components/_notice.scss
index 43176f3dae..a553c200c7 100644
--- a/app/assets/stylesheets/govuk_publishing_components/components/_notice.scss
+++ b/app/assets/stylesheets/govuk_publishing_components/components/_notice.scss
@@ -4,7 +4,7 @@
   @include govuk-responsive-margin(8, "bottom");
 
   clear: both;
-  border: 2px solid govuk-colour("blue");
+  border: $govuk-border-width solid govuk-colour("blue");
 
   .govuk-govspeak, {
     p:last-child {