diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b2554b4..7261150d 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]
 
+## [4.5.1] - 2024-03-18
+
+
 ## [4.5.0] - 2024-03-18
 
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index f6dcb55f..1bfc5646 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 = '4.5.0';
+    const SMARTY_VERSION = '4.5.1';
     /**
      * define variable scopes
      */