diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01c65dab..6e38bcc5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.31.1] - 2024-01-31
+
+### Added
+- Fixed package level doc strings for search and bwt packages.
+
+[0.31.0]: https://github.com/TimothyStiles/poly/releases/tag/v0.31.0
+
 ## [0.31.0] - 2024-01-31
 
 ### Added