diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2517bcf..a44c4df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.5.2] 2024-09
+
+## Fix
+- Fix for parameter matching when using optional parameters. (@alanondra)
+
 ## [5.1.2] 2021-07
 
 ## Added
diff --git a/docs/_data/releases.yml b/docs/_data/releases.yml
index 6e015cb..70466d2 100644
--- a/docs/_data/releases.yml
+++ b/docs/_data/releases.yml
@@ -40,7 +40,7 @@
   name: League\Route 4.x
   type: Old
   requires: PHP >= 7.1.0
-  release: 4.5.1 - 2021-01
+  release: 4.5.2 - 2024-09
   support: 2021-06
   url: /4.x/
   menu: