diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31df422e..1fd531e9 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]
 
+## [4.0.3] - 2022-01-10
+
 ### Security
 - Prevent evasion of the `static_classes` security policy. This addresses CVE-2021-21408
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index d01c678e..dcc3c342 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 = '4.0.2';
+    const SMARTY_VERSION = '4.0.3';
     /**
      * define variable scopes
      */