diff --git a/htdocs/class/libraries/vendor/smarty/smarty/CHANGELOG.md b/htdocs/class/libraries/vendor/smarty/smarty/CHANGELOG.md
index 97355b6df..bff690d84 100644
--- a/htdocs/class/libraries/vendor/smarty/smarty/CHANGELOG.md
+++ b/htdocs/class/libraries/vendor/smarty/smarty/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.5.4] - 2024-08-14
+- Fixed that using `count()` would trigger a deprecation notice. [#813](https://github.com/smarty-php/smarty/issues/813)
+
+
 ## [4.5.3] - 2024-05-28
 - Fixed a code injection vulnerability in extends-tag. This addresses CVE-2024-35226.
 
diff --git a/htdocs/class/libraries/vendor/smarty/smarty/libs/Smarty.class.php b/htdocs/class/libraries/vendor/smarty/smarty/libs/Smarty.class.php
index b285a99e0..97706e2aa 100644
--- a/htdocs/class/libraries/vendor/smarty/smarty/libs/Smarty.class.php
+++ b/htdocs/class/libraries/vendor/smarty/smarty/libs/Smarty.class.php
@@ -107,7 +107,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '4.5.3';
+    const SMARTY_VERSION = '4.5.4';
     /**
      * define variable scopes
      */
diff --git a/htdocs/class/libraries/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php b/htdocs/class/libraries/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php
index 8ff3e0521..03797f7f8 100644
--- a/htdocs/class/libraries/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/htdocs/class/libraries/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -658,7 +658,7 @@ public function compilePHPFunctionCall($name, $parameter)
 					if (
 						!$this->smarty->loadPlugin('smarty_modifiercompiler_' . $name)
 						&& !isset($this->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$name])
-						&& !in_array($name, ['time', 'join', 'is_array', 'in_array'])
+						&& !in_array($name, ['time', 'join', 'is_array', 'in_array', 'count'])
 					) {
 						trigger_error('Using unregistered function "' . $name . '" in a template is deprecated and will be ' .
 							'removed in a future release. Use Smarty::registerPlugin to explicitly register ' .
diff --git a/htdocs/include/version.php b/htdocs/include/version.php
index 6d698d26b..fce25c4a4 100644
--- a/htdocs/include/version.php
+++ b/htdocs/include/version.php
@@ -29,4 +29,4 @@
 /**
  *  Define XOOPS version
  */
-define('XOOPS_VERSION', 'XOOPS 2.5.12-Beta1');
+define('XOOPS_VERSION', 'XOOPS 2.5.12-Beta3');