diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16ed8df60..4c302b24d 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]
 
+## [4.0.1] - 2022-01-09
+
 ### Security
 - Rewrote the mailto function to not use `eval` when encoding with javascript
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 45060075b..b3da2d023 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 = '4.0.0';
+    const SMARTY_VERSION = '4.0.1';
     /**
      * define variable scopes
      */