diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6fd2a6c6..4b2554b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.5.0] - 2024-03-18
+
+
 ### Changed
 - Using unregistered static class methods in expressions now also triggers a deprecation notice because we will drop support for this in the next major release [#813](https://github.com/smarty-php/smarty/issues/813)
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 0a47c835..f6dcb55f 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 = '4.4.1';
+    const SMARTY_VERSION = '4.5.0';
     /**
      * define variable scopes
      */