diff --git a/CHANGELOG.md b/CHANGELOG.md
index 091735e9..da82fb1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 -->
 
+## [x.y.z] - YYYY-MM-DD
+
+### Fixed
+
+-   Fix code highlight, exclude pygments css from layout ([#154](https://github.com/wagtail/sphinx_wagtail_theme/pull/154))
+
 ## [5.1.0] - 2022-04-07
 
 See new [customising docs](https://sphinx-wagtail-theme.readthedocs.io/en/latest/customizing.html) for info on how to change fonts, sidebars, etc. in this version.