diff --git a/composer.json b/composer.json
index fe1cd34ace..30a683c71e 100644
--- a/composer.json
+++ b/composer.json
@@ -82,7 +82,7 @@
         "dompdf/dompdf": "^1.0 || ^2.0",
         "friendsofphp/php-cs-fixer": "^3.2",
         "jpgraph/jpgraph": "^4.0",
-        "mpdf/mpdf": "8.1.1",
+        "mpdf/mpdf": "8.1.4",
         "phpcompatibility/php-compatibility": "^9.3",
         "phpstan/phpstan": "^1.1",
         "phpstan/phpstan-phpunit": "^1.0",
diff --git a/composer.lock b/composer.lock
index 4ac9f6314a..0d0c797410 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": "6cbb20f8d8f2daae0aeb72431cda0980",
+    "content-hash": "ae0f693fd4b064fe069d4151c13b6aa1",
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
@@ -113,6 +113,10 @@
                 "zip"
             ],
             "funding": [
+                {
+                    "url": "https://github.com/maennchen",
+                    "type": "github"
+                },
                 {
                     "url": "https://opencollective.com/zipstream",
                     "type": "open_collective"
@@ -763,12 +767,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/composer-installer.git",
-                "reference": "04f4e8f6716241cb9200774ff73cb99fbb81e09a"
+                "reference": "4ff04596a135076f0dde03b0bc1a25f741249e2f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/composer-installer/zipball/04f4e8f6716241cb9200774ff73cb99fbb81e09a",
-                "reference": "04f4e8f6716241cb9200774ff73cb99fbb81e09a",
+                "url": "https://api.github.com/repos/PHPCSStandards/composer-installer/zipball/4ff04596a135076f0dde03b0bc1a25f741249e2f",
+                "reference": "4ff04596a135076f0dde03b0bc1a25f741249e2f",
                 "shasum": ""
             },
             "require": {
@@ -786,11 +790,11 @@
             },
             "type": "composer-plugin",
             "extra": {
-                "class": "Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\Plugin"
+                "class": "PHPCSStandards\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\Plugin"
             },
             "autoload": {
                 "psr-4": {
-                    "Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\": "src/"
+                    "PHPCSStandards\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -829,7 +833,7 @@
                 "stylecheck",
                 "tests"
             ],
-            "time": "2022-06-26T10:27:07+00:00"
+            "time": "2022-12-16T11:07:22+00:00"
         },
         {
             "name": "doctrine/annotations",
@@ -1300,16 +1304,16 @@
         },
         {
             "name": "mpdf/mpdf",
-            "version": "v8.1.1",
+            "version": "v8.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/mpdf/mpdf.git",
-                "reference": "e511e89a66bdb066e3fbf352f00f4734d5064cbf"
+                "reference": "add590e93b7502efafd9839a68cff99f3497b318"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/mpdf/mpdf/zipball/e511e89a66bdb066e3fbf352f00f4734d5064cbf",
-                "reference": "e511e89a66bdb066e3fbf352f00f4734d5064cbf",
+                "url": "https://api.github.com/repos/mpdf/mpdf/zipball/add590e93b7502efafd9839a68cff99f3497b318",
+                "reference": "add590e93b7502efafd9839a68cff99f3497b318",
                 "shasum": ""
             },
             "require": {
@@ -1317,7 +1321,7 @@
                 "ext-mbstring": "*",
                 "myclabs/deep-copy": "^1.7",
                 "paragonie/random_compat": "^1.4|^2.0|^9.99.99",
-                "php": "^5.6 || ^7.0 || ~8.0.0 || ~8.1.0",
+                "php": "^5.6 || ^7.0 || ~8.0.0 || ~8.1.0 || ~8.2.0",
                 "php-http/message-factory": "^1.0",
                 "psr/http-message": "^1.0",
                 "psr/log": "^1.0 || ^2.0",
@@ -1327,7 +1331,7 @@
                 "mockery/mockery": "^1.3.0",
                 "mpdf/qrcode": "^1.1.0",
                 "squizlabs/php_codesniffer": "^3.5.0",
-                "tracy/tracy": "^2.4",
+                "tracy/tracy": "~2.5",
                 "yoast/phpunit-polyfills": "^1.0"
             },
             "suggest": {
@@ -1368,7 +1372,7 @@
                     "type": "custom"
                 }
             ],
-            "time": "2022-04-18T11:50:28+00:00"
+            "time": "2022-12-15T11:24:39+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -1753,6 +1757,7 @@
             "keywords": [
                 "diff"
             ],
+            "abandoned": true,
             "time": "2020-10-14T08:32:19+00:00"
         },
         {