diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index d01501541e..170f42487b 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -16,6 +16,7 @@ Changelog
  * Snippets can now be deleted from the listing view (LB (Ben Johnston))
  * Increased max length of redirect URL field to 255 (Michael Harrison)
  * Added documentation for new JS/CSS media files association with Draftail feature definitions (Ed Henderson)
+ * Added accessible colour contrast guidelines to the style guide (Catherine Farman)
  * Fix: Handle all exceptions from `Image.get_file_size` (Andrew Plummer)
  * Fix: Fix display of breadcrumbs in ModelAdmin (LB (Ben Johnston))
  * Fix: Remove duplicate border radius of avatars (Benjamin Thurm)
diff --git a/CONTRIBUTORS.rst b/CONTRIBUTORS.rst
index 42e5828b35..272b1cb73e 100644
--- a/CONTRIBUTORS.rst
+++ b/CONTRIBUTORS.rst
@@ -306,6 +306,7 @@ Contributors
 * Ed Henderson
 * Strother Scott
 * Daniele Procida
+* Catherine Farman
 
 Translators
 ===========
diff --git a/docs/releases/2.2.rst b/docs/releases/2.2.rst
index 14e0f58db8..a35425623f 100644
--- a/docs/releases/2.2.rst
+++ b/docs/releases/2.2.rst
@@ -25,6 +25,7 @@ Other features
  * Snippets can now be deleted from the listing view (LB (Ben Johnston))
  * Increased max length of redirect URL field to 255 (Michael Harrison)
  * Added documentation for new JS/CSS media files association with Draftail feature definitions (Ed Henderson)
+ * Added accessible colour contrast guidelines to the style guide (Catherine Farman)
 
 Bug fixes
 ~~~~~~~~~