diff --git a/composer.json b/composer.json
index 16aa29a6c0..b4f51117fc 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
         "pear/xml_util": "*",
         "setasign/fpdf": "^1.8",
         "setasign/fpdi": "^1.6",
-        "smarty/smarty": "^3.1 || ^4.2"
+        "smarty/smarty": "^3.1 || ^4.3"
     },
     "autoload": {
         "classmap": [
diff --git a/composer.lock b/composer.lock
index bde9057c3e..44eaa0d5bf 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": "775be6fecfb84911a47412429cd287a6",
+    "content-hash": "df4fdb9be635c8cd1ad5f094d26e0543",
     "packages": [
         {
             "name": "mobiledetect/mobiledetectlib",
@@ -735,16 +735,16 @@
         },
         {
             "name": "smarty/smarty",
-            "version": "v4.2.1",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/smarty-php/smarty.git",
-                "reference": "ffa2b81a8e354a49fd8a2f24742dc9dc399e8007"
+                "reference": "3931d8f54b8f7a4ffab538582d34d4397ba8daa5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/smarty-php/smarty/zipball/ffa2b81a8e354a49fd8a2f24742dc9dc399e8007",
-                "reference": "ffa2b81a8e354a49fd8a2f24742dc9dc399e8007",
+                "url": "https://api.github.com/repos/smarty-php/smarty/zipball/3931d8f54b8f7a4ffab538582d34d4397ba8daa5",
+                "reference": "3931d8f54b8f7a4ffab538582d34d4397ba8daa5",
                 "shasum": ""
             },
             "require": {
@@ -795,9 +795,9 @@
             "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/v3.1.48"
+                "source": "https://github.com/smarty-php/smarty/tree/v4.3.4"
             },
-            "time": "2023-03-28T19:45:54+00:00"
+            "time": "2023-09-14T10:59:08+00:00"
         }
     ],
     "packages-dev": [
@@ -2079,5 +2079,5 @@
     "platform-overrides": {
         "php": "7.4.0"
     },
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.3.0"
 }