diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6a5c20be..97355b6df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.5.3] - 2024-05-28
+- Fixed a code injection vulnerability in extends-tag. This addresses CVE-2024-35226.
+
+
 ## [4.5.2] - 2024-04-06
 - Fixed argument must be passed by reference error introduced in v4.5.1 [#964](https://github.com/smarty-php/smarty/issues/964)
 
diff --git a/changelog/GHSA-4rmg-292m-wg3w.md b/changelog/GHSA-4rmg-292m-wg3w.md
deleted file mode 100644
index cd15f3e69..000000000
--- a/changelog/GHSA-4rmg-292m-wg3w.md
+++ /dev/null
@@ -1 +0,0 @@
-- Fixed a code injection vulnerability in extends-tag. This addresses CVE-2024-35226.
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 13dcb1118..b285a99e0 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -107,7 +107,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '4.5.2';
+    const SMARTY_VERSION = '4.5.3';
     /**
      * define variable scopes
      */