diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05b9e80f..11f80ca8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Skip Click v8.1.0 as it broke decorator typing ([#266](https://github.com/stac-utils/stactools/pull/266))
 - Use black (instead of yapf) for formatting ([#274](https://github.com/stac-utils/stactools/pull/274))
 - stac-check version and lint reporting ([#258](https://github.com/stac-utils/stactools/pull/258))
+- Sphinx theme ([#284](https://github.com/stac-utils/stactools/pull/284))
 
 ### Fixed