diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12b3075..a598f4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog][Keep a Changelog] and this project adheres to [Semantic Versioning][Semantic Versioning].
 
-## [Unreleased]
+## [v1.3.1]
+
+### Changed
+1. Replaced the global import of `pkg_resources` in `psims.validation.validator` with `importlib.resources`
 
 ## [v1.3.0] - 2023-11-03
 
@@ -450,8 +453,9 @@ The format is based on [Keep a Changelog][Keep a Changelog] and this project adh
 [Semantic Versioning]: https://semver.org/
 
 <!-- Versions -->
-[Unreleased]: https://github.com/mobiusklein/psims/compare/v1.3.0...HEAD
+[Unreleased]: https://github.com/mobiusklein/psims/compare/v1.3.1...HEAD
 [Released]: https://github.com/mobiusklein/psims/releases
+[v1.3.1]: https://github.com/mobiusklein/psims/releases/v1.3.1
 [v1.3.0]: https://github.com/mobiusklein/psims/releases/v1.3.0
 [v1.2.9]: https://github.com/mobiusklein/psims/releases/v1.2.9
 [v1.2.8]: https://github.com/mobiusklein/psims/releases/v1.2.8