diff --git a/composer.json b/composer.json
index 5eee6b07ad..4941e6069f 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         "laminas/laminas-diactoros": "^2.2",
         "adodb/adodb-php": "^5.22",
         "phpmailer/phpmailer": "^6.1",
-        "smarty/smarty": "^3.1",
+        "smarty/smarty": "^4.5",
         "psr/log": "^1.1",
         "symfony/polyfill-mbstring": "^1.15",
         "league/oauth2-client": "^2.4",
diff --git a/composer.lock b/composer.lock
index 5b8b3290a3..3e502ddb19 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "786f230454d498ed4b76b7df82872843",
+    "content-hash": "31b0aee08a2fbc955f8f29e7364e6f62",
     "packages": [
         {
             "name": "adodb/adodb-php",
@@ -1726,29 +1726,29 @@
         },
         {
             "name": "smarty/smarty",
-            "version": "v3.1.36",
+            "version": "v4.5.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/smarty-php/smarty.git",
-                "reference": "fd148f7ade295014fff77f89ee3d5b20d9d55451"
+                "reference": "9fc96a13dbaf546c3d7bcf95466726578cd4e0fa"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/smarty-php/smarty/zipball/fd148f7ade295014fff77f89ee3d5b20d9d55451",
-                "reference": "fd148f7ade295014fff77f89ee3d5b20d9d55451",
+                "url": "https://api.github.com/repos/smarty-php/smarty/zipball/9fc96a13dbaf546c3d7bcf95466726578cd4e0fa",
+                "reference": "9fc96a13dbaf546c3d7bcf95466726578cd4e0fa",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.2"
+                "php": "^7.1 || ^8.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "6.4.1",
+                "phpunit/phpunit": "^8.5 || ^7.5",
                 "smarty/smarty-lexer": "^3.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1.x-dev"
+                    "dev-master": "4.0.x-dev"
                 }
             },
             "autoload": {
@@ -1772,14 +1772,23 @@
                 {
                     "name": "Rodney Rehm",
                     "email": "rodney.rehm@medialize.de"
+                },
+                {
+                    "name": "Simon Wisselink",
+                    "homepage": "https://www.iwink.nl/"
                 }
             ],
             "description": "Smarty - the compiling PHP template engine",
-            "homepage": "http://www.smarty.net",
+            "homepage": "https://smarty-php.github.io/smarty/",
             "keywords": [
                 "templating"
             ],
-            "time": "2020-04-14T14:44:26+00:00"
+            "support": {
+                "forum": "https://github.com/smarty-php/smarty/discussions",
+                "issues": "https://github.com/smarty-php/smarty/issues",
+                "source": "https://github.com/smarty-php/smarty/tree/v4.5.3"
+            },
+            "time": "2024-05-28T21:46:01+00:00"
         },
         {
             "name": "symfony/polyfill-intl-idn",
@@ -1969,5 +1978,5 @@
     "platform-overrides": {
         "php": "7.4.2"
     },
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }