diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b2aaab6..8c69e59c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Use `aria-multiselectable` attribute for accordions that can have multiple items open
+- Increase thickness of underline for focused links for when the focus indicator doesn't provide sufficient contrast with the background
 
 ### Security
 
diff --git a/src/nationalarchives/utilities/typography/_index.scss b/src/nationalarchives/utilities/typography/_index.scss
index 4f040fdb..0f8ec99e 100644
--- a/src/nationalarchives/utilities/typography/_index.scss
+++ b/src/nationalarchives/utilities/typography/_index.scss
@@ -54,6 +54,7 @@ a {
   }
 
   &:hover,
+  &:focus,
   &:active {
     @include typography.interacted-text-decoration;
   }