diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8077925b..84cb0d7f 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]
 
+## [4.3.3] - 2023-09-14
+
 ### Fixed
 - `|strip_tags` does not work if the input is 0 [#890](https://github.com/smarty-php/smarty/issues/890)
 - Use of negative numbers in {math} equations [#895](https://github.com/smarty-php/smarty/issues/895)
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 71734274..804d810e 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 = '4.3.2';
+    const SMARTY_VERSION = '4.3.3';
     /**
      * define variable scopes
      */