diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1566776..9e53ced 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
+### Changed
+- [PR#64](https://github.com/EmbarkStudios/spdx/pull/64) update SPDX license list to 3.23.
+
 ## [0.10.3] - 2024-01-04
 ### Changed
 - [PR#63](https://github.com/EmbarkStudios/spdx/pull/63) update SPDX license list to 3.22.
diff --git a/README.md b/README.md
index e6028db..32ca9dd 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+<!-- markdownlint-disable no-inline-html first-line-heading -->
+
 <div align="center">
 
 # `🆔 spdx`
@@ -9,7 +11,7 @@
 [![Crates.io](https://img.shields.io/crates/v/spdx.svg)](https://crates.io/crates/spdx)
 [![Docs](https://docs.rs/spdx/badge.svg)](https://docs.rs/spdx)
 [![Minimum Stable Rust Version](https://img.shields.io/badge/Rust-1.65.0-blue?color=fc8d62&logo=rust)](https://blog.rust-lang.org/2022/11/03/Rust-1.65.0.html)
-[![SPDX Version](https://img.shields.io/badge/SPDX%20Version-3.22-blue.svg)](https://spdx.org/licenses/)
+[![SPDX Version](https://img.shields.io/badge/SPDX%20Version-3.23-blue.svg)](https://spdx.org/licenses/)
 [![dependency status](https://deps.rs/repo/github/EmbarkStudios/spdx/status.svg)](https://deps.rs/repo/github/EmbarkStudios/spdx)
 [![Build Status](https://github.com/EmbarkStudios/spdx/workflows/CI/badge.svg)](https://github.com/EmbarkStudios/spdx/actions?workflow=CI)