diff --git a/composer.json b/composer.json
index dc1814b..a78b9d4 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "smarty/smarty": "2.*",
+        "smarty/smarty": "3.*",
         "symfony/dotenv": "^4.2",
         "adodb/adodb-php": "^5.20",
         "symfony/routing": "^4.2",
diff --git a/composer.lock b/composer.lock
index acd018e..0719775 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": "438567803fbc188bc26ad3d0e0e16e5a",
+    "content-hash": "00bafe5d7aaaa389011efcc6e75c7f66",
     "packages": [
         {
             "name": "adodb/adodb-php",
@@ -62,32 +62,34 @@
         },
         {
             "name": "smarty/smarty",
-            "version": "v2.6.31",
+            "version": "v3.1.45",
             "source": {
                 "type": "git",
                 "url": "https://github.com/smarty-php/smarty.git",
-                "reference": "4ab9757b492f08a38f68123a6e7c1df7110bbc49"
+                "reference": "a2713ab89e6d773bc4819f11857af7f6b2e353a9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/smarty-php/smarty/zipball/4ab9757b492f08a38f68123a6e7c1df7110bbc49",
-                "reference": "4ab9757b492f08a38f68123a6e7c1df7110bbc49",
+                "url": "https://api.github.com/repos/smarty-php/smarty/zipball/a2713ab89e6d773bc4819f11857af7f6b2e353a9",
+                "reference": "a2713ab89e6d773bc4819f11857af7f6b2e353a9",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.2"
             },
+            "require-dev": {
+                "phpunit/phpunit": "^7.5 || ^6.5 || ^5.7 || ^4.8",
+                "smarty/smarty-lexer": "^3.1"
+            },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.6.x-dev"
+                    "dev-master": "3.1.x-dev"
                 }
             },
             "autoload": {
                 "classmap": [
-                    "libs/Smarty.class.php",
-                    "libs/Smarty_Compiler.class.php",
-                    "libs/Config_File.class.php"
+                    "libs/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -102,6 +104,10 @@
                 {
                     "name": "Uwe Tews",
                     "email": "uwe.tews@googlemail.com"
+                },
+                {
+                    "name": "Rodney Rehm",
+                    "email": "rodney.rehm@medialize.de"
                 }
             ],
             "description": "Smarty - the compiling PHP template engine",
@@ -109,7 +115,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2017-11-03T06:39:13+00:00"
+            "time": "2022-05-17T12:57:52+00:00"
         },
         {
             "name": "symfony/config",
@@ -173,6 +179,20 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-03-27T16:54:36+00:00"
         },
         {
@@ -294,6 +314,20 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-03-27T16:56:45+00:00"
         },
         {
@@ -323,12 +357,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Ctype\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -442,6 +476,20 @@
                 "uri",
                 "url"
             ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-03-30T11:41:10+00:00"
         },
         {
@@ -501,6 +549,20 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-03-30T11:41:10+00:00"
         }
     ],