diff --git a/CHANGELOG.md b/CHANGELOG.md
index f35e0be3..ee8eed88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.0.2] - 2022-01-10
+
 ### Security
 - Prevent arbitrary PHP code execution through maliciously crafted expression for the math function. This addresses CVE-2021-29454
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index b3da2d02..d01c678e 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -98,7 +98,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '4.0.1';
+    const SMARTY_VERSION = '4.0.2';
     /**
      * define variable scopes
      */