diff --git a/composer.json b/composer.json
index 6e9b396..79d6d79 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,14 @@
 {
+  "repositories": [
+    {
+      "type": "vcs",
+      "url": "https://github.com/Icinga/pdf-merge"
+    }
+  ],
   "require": {
     "php": ">=8.2",
-    "phrity/websocket": "^3.6",
-    "karriere/pdf-merge": "^3.3"
+    "karriere/pdf-merge": "dev-master",
+    "phrity/websocket": "^3.6"
   },
   "config": {
     "sort-packages": true
diff --git a/composer.lock b/composer.lock
index 5ec4692..f749ab2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,24 +4,24 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5cffa2096256d965b5bbedcd5a7b515b",
+    "content-hash": "5c3df7bceb770cd13e1f582b6dcc2ff5",
     "packages": [
         {
             "name": "karriere/pdf-merge",
-            "version": "v3.3.1",
+            "version": "dev-master",
             "source": {
                 "type": "git",
-                "url": "https://github.com/karriereat/pdf-merge.git",
-                "reference": "d524a9d261ea96b18bbbab685b5710a7a0fe3a6e"
+                "url": "https://github.com/Icinga/pdf-merge.git",
+                "reference": "2903a4fda88466527bbafdfcc4d044e2b00a872f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/karriereat/pdf-merge/zipball/d524a9d261ea96b18bbbab685b5710a7a0fe3a6e",
-                "reference": "d524a9d261ea96b18bbbab685b5710a7a0fe3a6e",
+                "url": "https://api.github.com/repos/Icinga/pdf-merge/zipball/2903a4fda88466527bbafdfcc4d044e2b00a872f",
+                "reference": "2903a4fda88466527bbafdfcc4d044e2b00a872f",
                 "shasum": ""
             },
             "require": {
-                "php": "8.1.* | 8.2.* | 8.3.* | 8.4.*",
+                "php": "8.2.* | 8.3.* | 8.4.* | 8.5.*",
                 "tecnickcom/tcpdf": "^6.3"
             },
             "require-dev": {
@@ -29,6 +29,7 @@
                 "pestphp/pest": "^1.22",
                 "phpstan/phpstan": "^1.10"
             },
+            "default-branch": true,
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -40,7 +41,37 @@
                     "tcpi/tcpdi_parser.php"
                 ]
             },
-            "notification-url": "https://packagist.org/downloads/",
+            "autoload-dev": {
+                "psr-4": {
+                    "Karriere\\PdfMerge\\Tests\\": "tests"
+                }
+            },
+            "scripts": {
+                "analyse": [
+                    "phpstan analyse --memory-limit 512M"
+                ],
+                "lint": [
+                    "pint --test"
+                ],
+                "lint:verbose": [
+                    "pint -v --test"
+                ],
+                "fix": [
+                    "pint"
+                ],
+                "test": [
+                    "vendor/bin/pest"
+                ],
+                "coverage": [
+                    "vendor/bin/pest --coverage --ci --coverage-html coverage --coverage-clover coverage.xml --log-junit junit.xml"
+                ],
+                "report": [
+                    "vendor/bin/pest --coverage"
+                ],
+                "report:html": [
+                    "vendor/bin/pest --coverage --coverage-html coverage"
+                ]
+            },
             "license": [
                 "Apache-2.0"
             ],
@@ -57,10 +88,9 @@
                 "pdf"
             ],
             "support": {
-                "issues": "https://github.com/karriereat/pdf-merge/issues",
-                "source": "https://github.com/karriereat/pdf-merge/tree/v3.3.1"
+                "source": "https://github.com/Icinga/pdf-merge/tree/master"
             },
-            "time": "2025-02-19T11:02:10+00:00"
+            "time": "2026-01-19T15:39:37+00:00"
         },
         {
             "name": "phrity/comparison",
@@ -647,12 +677,14 @@
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": {
+        "karriere/pdf-merge": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
         "php": ">=8.2"
     },
     "platform-dev": {},
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.9.0"
 }
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 8281a73..5af240e 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -7,11 +7,11 @@
 class ComposerStaticInitff8ca5c94912b5ce3ac82b5c9f2b4776
 {
     public static $prefixLengthsPsr4 = array (
-        'W' => 
+        'W' =>
         array (
             'WebSocket\\' => 10,
         ),
-        'P' => 
+        'P' =>
         array (
             'Psr\\Log\\' => 8,
             'Psr\\Http\\Message\\' => 17,
@@ -20,44 +20,44 @@ class ComposerStaticInitff8ca5c94912b5ce3ac82b5c9f2b4776
             'Phrity\\Http\\' => 12,
             'Phrity\\Comparison\\' => 18,
         ),
-        'K' => 
+        'K' =>
         array (
             'Karriere\\PdfMerge\\' => 18,
         ),
     );
 
     public static $prefixDirsPsr4 = array (
-        'WebSocket\\' => 
+        'WebSocket\\' =>
         array (
             0 => __DIR__ . '/..' . '/phrity/websocket/src',
         ),
-        'Psr\\Log\\' => 
+        'Psr\\Log\\' =>
         array (
             0 => __DIR__ . '/..' . '/psr/log/src',
         ),
-        'Psr\\Http\\Message\\' => 
+        'Psr\\Http\\Message\\' =>
         array (
             0 => __DIR__ . '/..' . '/psr/http-factory/src',
             1 => __DIR__ . '/..' . '/psr/http-message/src',
         ),
-        'Phrity\\Util\\' => 
+        'Phrity\\Util\\' =>
         array (
             0 => __DIR__ . '/..' . '/phrity/util-errorhandler/src',
         ),
-        'Phrity\\Net\\' => 
+        'Phrity\\Net\\' =>
         array (
             0 => __DIR__ . '/..' . '/phrity/net-uri/src',
             1 => __DIR__ . '/..' . '/phrity/net-stream/src',
         ),
-        'Phrity\\Http\\' => 
+        'Phrity\\Http\\' =>
         array (
             0 => __DIR__ . '/..' . '/phrity/http/src',
         ),
-        'Phrity\\Comparison\\' => 
+        'Phrity\\Comparison\\' =>
         array (
             0 => __DIR__ . '/..' . '/phrity/comparison/src',
         ),
-        'Karriere\\PdfMerge\\' => 
+        'Karriere\\PdfMerge\\' =>
         array (
             0 => __DIR__ . '/..' . '/karriere/pdf-merge/src',
         ),
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 6a2cf90..a87ff1f 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -2,21 +2,21 @@
         "packages": [
                 {
                         "name": "karriere/pdf-merge",
-                        "version": "v3.3.1",
-                        "version_normalized": "3.3.1.0",
+                        "version": "dev-master",
+                        "version_normalized": "dev-master",
                         "source": {
                                 "type": "git",
-                                "url": "https://github.com/karriereat/pdf-merge.git",
-                                "reference": "d524a9d261ea96b18bbbab685b5710a7a0fe3a6e"
+                                "url": "https://github.com/Icinga/pdf-merge.git",
+                                "reference": "2903a4fda88466527bbafdfcc4d044e2b00a872f"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/karriereat/pdf-merge/zipball/d524a9d261ea96b18bbbab685b5710a7a0fe3a6e",
-                                "reference": "d524a9d261ea96b18bbbab685b5710a7a0fe3a6e",
+                                "url": "https://api.github.com/repos/Icinga/pdf-merge/zipball/2903a4fda88466527bbafdfcc4d044e2b00a872f",
+                                "reference": "2903a4fda88466527bbafdfcc4d044e2b00a872f",
                                 "shasum": ""
                         },
                         "require": {
-                                "php": "8.1.* | 8.2.* | 8.3.* | 8.4.*",
+                                "php": "8.2.* | 8.3.* | 8.4.* | 8.5.*",
                                 "tecnickcom/tcpdf": "^6.3"
                         },
                         "require-dev": {
@@ -24,7 +24,8 @@
                                 "pestphp/pest": "^1.22",
                                 "phpstan/phpstan": "^1.10"
                         },
-                        "time": "2025-02-19T11:02:10+00:00",
+                        "time": "2026-01-19T15:39:37+00:00",
+                        "default-branch": true,
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -37,7 +38,37 @@
                                         "tcpi/tcpdi_parser.php"
                                 ]
                         },
-                        "notification-url": "https://packagist.org/downloads/",
+                        "autoload-dev": {
+                                "psr-4": {
+                                        "Karriere\\PdfMerge\\Tests\\": "tests"
+                                }
+                        },
+                        "scripts": {
+                                "analyse": [
+                                        "phpstan analyse --memory-limit 512M"
+                                ],
+                                "lint": [
+                                        "pint --test"
+                                ],
+                                "lint:verbose": [
+                                        "pint -v --test"
+                                ],
+                                "fix": [
+                                        "pint"
+                                ],
+                                "test": [
+                                        "vendor/bin/pest"
+                                ],
+                                "coverage": [
+                                        "vendor/bin/pest --coverage --ci --coverage-html coverage --coverage-clover coverage.xml --log-junit junit.xml"
+                                ],
+                                "report": [
+                                        "vendor/bin/pest --coverage"
+                                ],
+                                "report:html": [
+                                        "vendor/bin/pest --coverage --coverage-html coverage"
+                                ]
+                        },
                         "license": [
                                 "Apache-2.0"
                         ],
@@ -54,36 +85,35 @@
                                 "pdf"
                         ],
                         "support": {
-                                "issues": "https://github.com/karriereat/pdf-merge/issues",
-                                "source": "https://github.com/karriereat/pdf-merge/tree/v3.3.1"
+                                "source": "https://github.com/Icinga/pdf-merge/tree/master"
                         },
                         "install-path": "../karriere/pdf-merge"
                 },
                 {
                         "name": "phrity/comparison",
-                        "version": "1.4.0",
-                        "version_normalized": "1.4.0.0",
+                        "version": "1.4.1",
+                        "version_normalized": "1.4.1.0",
                         "source": {
                                 "type": "git",
                                 "url": "https://github.com/sirn-se/phrity-comparison.git",
-                                "reference": "aedd44d59db08de7d6c31812d1490c22aab35c92"
+                                "reference": "cf80abb822537eeaaeb4142157cd667ca6372a13"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/sirn-se/phrity-comparison/zipball/aedd44d59db08de7d6c31812d1490c22aab35c92",
-                                "reference": "aedd44d59db08de7d6c31812d1490c22aab35c92",
+                                "url": "https://api.github.com/repos/sirn-se/phrity-comparison/zipball/cf80abb822537eeaaeb4142157cd667ca6372a13",
+                                "reference": "cf80abb822537eeaaeb4142157cd667ca6372a13",
                                 "shasum": ""
                         },
                         "require": {
                                 "php": "^8.1"
                         },
                         "require-dev": {
-                                "php-coveralls/php-coveralls": "^2.0",
                                 "phpstan/phpstan": "^2.0",
-                                "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
-                                "squizlabs/php_codesniffer": "^3.5"
+                                "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
+                                "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+                                "squizlabs/php_codesniffer": "^3.5 || ^4.0"
                         },
-                        "time": "2025-05-26T20:12:39+00:00",
+                        "time": "2025-12-05T07:38:30+00:00",
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -114,38 +144,38 @@
                         ],
                         "support": {
                                 "issues": "https://github.com/sirn-se/phrity-comparison/issues",
-                                "source": "https://github.com/sirn-se/phrity-comparison/tree/1.4.0"
+                                "source": "https://github.com/sirn-se/phrity-comparison/tree/1.4.1"
                         },
                         "install-path": "../phrity/comparison"
                 },
                 {
                         "name": "phrity/http",
-                        "version": "1.0.0",
-                        "version_normalized": "1.0.0.0",
+                        "version": "1.0.1",
+                        "version_normalized": "1.0.1.0",
                         "source": {
                                 "type": "git",
                                 "url": "https://github.com/sirn-se/phrity-http.git",
-                                "reference": "536e3e46e6220d171a59599ed1f4da9f6b6244fc"
+                                "reference": "8f9d8eb92cd34cf7b9ec092b45730ec3ba668937"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/sirn-se/phrity-http/zipball/536e3e46e6220d171a59599ed1f4da9f6b6244fc",
-                                "reference": "536e3e46e6220d171a59599ed1f4da9f6b6244fc",
+                                "url": "https://api.github.com/repos/sirn-se/phrity-http/zipball/8f9d8eb92cd34cf7b9ec092b45730ec3ba668937",
+                                "reference": "8f9d8eb92cd34cf7b9ec092b45730ec3ba668937",
                                 "shasum": ""
                         },
                         "require": {
                                 "php": "^8.1",
                                 "psr/http-factory": "^1.0",
-                                "psr/http-message": "^1.1 | ^2.0"
+                                "psr/http-message": "^1.1 || ^2.0"
                         },
                         "require-dev": {
                                 "guzzlehttp/psr7": "^2.0",
                                 "phpstan/phpstan": "^2.0",
-                                "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
+                                "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
                                 "robiningelbrecht/phpunit-coverage-tools": "^1.9",
-                                "squizlabs/php_codesniffer": "^3.5"
+                                "squizlabs/php_codesniffer": "^3.5 || ^4.0"
                         },
-                        "time": "2025-09-07T17:04:26+00:00",
+                        "time": "2025-12-05T10:19:08+00:00",
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -173,39 +203,39 @@
                         ],
                         "support": {
                                 "issues": "https://github.com/sirn-se/phrity-http/issues",
-                                "source": "https://github.com/sirn-se/phrity-http/tree/1.0.0"
+                                "source": "https://github.com/sirn-se/phrity-http/tree/1.0.1"
                         },
                         "install-path": "../phrity/http"
                 },
                 {
                         "name": "phrity/net-stream",
-                        "version": "2.3.1",
-                        "version_normalized": "2.3.1.0",
+                        "version": "2.3.2",
+                        "version_normalized": "2.3.2.0",
                         "source": {
                                 "type": "git",
                                 "url": "https://github.com/sirn-se/phrity-net-stream.git",
-                                "reference": "c621bb3108a5a02bba64df2e5f0cd7ada02665b5"
+                                "reference": "6d220446043c0b2bf512cfd89caa2494ad9afdd1"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/sirn-se/phrity-net-stream/zipball/c621bb3108a5a02bba64df2e5f0cd7ada02665b5",
-                                "reference": "c621bb3108a5a02bba64df2e5f0cd7ada02665b5",
+                                "url": "https://api.github.com/repos/sirn-se/phrity-net-stream/zipball/6d220446043c0b2bf512cfd89caa2494ad9afdd1",
+                                "reference": "6d220446043c0b2bf512cfd89caa2494ad9afdd1",
                                 "shasum": ""
                         },
                         "require": {
                                 "php": "^8.1",
                                 "phrity/util-errorhandler": "^1.1",
                                 "psr/http-factory": "^1.0",
-                                "psr/http-message": "^1.1 | ^2.0"
+                                "psr/http-message": "^1.1 || ^2.0"
                         },
                         "require-dev": {
-                                "php-coveralls/php-coveralls": "^2.0",
                                 "phpstan/phpstan": "^2.0",
-                                "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
+                                "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
                                 "phrity/net-uri": "^2.0",
-                                "squizlabs/php_codesniffer": "^3.5"
+                                "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+                                "squizlabs/php_codesniffer": "^3.5 || ^4.0"
                         },
-                        "time": "2025-08-08T09:51:04+00:00",
+                        "time": "2025-12-06T12:42:13+00:00",
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -237,23 +267,23 @@
                         ],
                         "support": {
                                 "issues": "https://github.com/sirn-se/phrity-net-stream/issues",
-                                "source": "https://github.com/sirn-se/phrity-net-stream/tree/2.3.1"
+                                "source": "https://github.com/sirn-se/phrity-net-stream/tree/2.3.2"
                         },
                         "install-path": "../phrity/net-stream"
                 },
                 {
                         "name": "phrity/net-uri",
-                        "version": "2.2.0",
-                        "version_normalized": "2.2.0.0",
+                        "version": "2.2.1",
+                        "version_normalized": "2.2.1.0",
                         "source": {
                                 "type": "git",
                                 "url": "https://github.com/sirn-se/phrity-net-uri.git",
-                                "reference": "08de4cf07e439c4708f572249659f09198ac99f0"
+                                "reference": "0737de026b75177ae302ac9fdbbd0ffc2610f3b8"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/sirn-se/phrity-net-uri/zipball/08de4cf07e439c4708f572249659f09198ac99f0",
-                                "reference": "08de4cf07e439c4708f572249659f09198ac99f0",
+                                "url": "https://api.github.com/repos/sirn-se/phrity-net-uri/zipball/0737de026b75177ae302ac9fdbbd0ffc2610f3b8",
+                                "reference": "0737de026b75177ae302ac9fdbbd0ffc2610f3b8",
                                 "shasum": ""
                         },
                         "require": {
@@ -264,16 +294,16 @@
                                 "psr/http-message": "^1.1 | ^2.0"
                         },
                         "require-dev": {
-                                "php-coveralls/php-coveralls": "^2.0",
                                 "phpstan/phpstan": "^2.0",
-                                "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
+                                "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
                                 "phrity/util-errorhandler": "^1.1",
-                                "squizlabs/php_codesniffer": "^3.5"
+                                "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+                                "squizlabs/php_codesniffer": "^3.5 || ^4.0"
                         },
                         "suggest": {
                                 "ext-intl": "Enables IDN conversion for non-ASCII domains"
                         },
-                        "time": "2025-05-25T13:05:13+00:00",
+                        "time": "2025-12-05T10:39:22+00:00",
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -302,35 +332,35 @@
                         ],
                         "support": {
                                 "issues": "https://github.com/sirn-se/phrity-net-uri/issues",
-                                "source": "https://github.com/sirn-se/phrity-net-uri/tree/2.2.0"
+                                "source": "https://github.com/sirn-se/phrity-net-uri/tree/2.2.1"
                         },
                         "install-path": "../phrity/net-uri"
                 },
                 {
                         "name": "phrity/util-errorhandler",
-                        "version": "1.2.1",
-                        "version_normalized": "1.2.1.0",
+                        "version": "1.2.2",
+                        "version_normalized": "1.2.2.0",
                         "source": {
                                 "type": "git",
                                 "url": "https://github.com/sirn-se/phrity-util-errorhandler.git",
-                                "reference": "9825f15ef9b4a93252ce53ca8962278832d834da"
+                                "reference": "70a669cc22db2eed6a109ec66fd95168a4332c9b"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/sirn-se/phrity-util-errorhandler/zipball/9825f15ef9b4a93252ce53ca8962278832d834da",
-                                "reference": "9825f15ef9b4a93252ce53ca8962278832d834da",
+                                "url": "https://api.github.com/repos/sirn-se/phrity-util-errorhandler/zipball/70a669cc22db2eed6a109ec66fd95168a4332c9b",
+                                "reference": "70a669cc22db2eed6a109ec66fd95168a4332c9b",
                                 "shasum": ""
                         },
                         "require": {
                                 "php": "^8.1"
                         },
                         "require-dev": {
-                                "php-coveralls/php-coveralls": "^2.0",
                                 "phpstan/phpstan": "^2.0",
-                                "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
-                                "squizlabs/php_codesniffer": "^3.5"
+                                "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
+                                "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+                                "squizlabs/php_codesniffer": "^3.5 || ^4.0"
                         },
-                        "time": "2025-08-08T09:48:45+00:00",
+                        "time": "2025-12-05T21:25:36+00:00",
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -357,23 +387,23 @@
                         ],
                         "support": {
                                 "issues": "https://github.com/sirn-se/phrity-util-errorhandler/issues",
-                                "source": "https://github.com/sirn-se/phrity-util-errorhandler/tree/1.2.1"
+                                "source": "https://github.com/sirn-se/phrity-util-errorhandler/tree/1.2.2"
                         },
                         "install-path": "../phrity/util-errorhandler"
                 },
                 {
                         "name": "phrity/websocket",
-                        "version": "3.6.0",
-                        "version_normalized": "3.6.0.0",
+                        "version": "3.6.2",
+                        "version_normalized": "3.6.2.0",
                         "source": {
                                 "type": "git",
                                 "url": "https://github.com/sirn-se/websocket-php.git",
-                                "reference": "3f16b2564a230bbce716cccaff2f6156a60a8798"
+                                "reference": "b9816ed2b4a10c8c42bd0b6398044ab506869756"
                         },
                         "dist": {
                                 "type": "zip",
-                                "url": "https://api.github.com/repos/sirn-se/websocket-php/zipball/3f16b2564a230bbce716cccaff2f6156a60a8798",
-                                "reference": "3f16b2564a230bbce716cccaff2f6156a60a8798",
+                                "url": "https://api.github.com/repos/sirn-se/websocket-php/zipball/b9816ed2b4a10c8c42bd0b6398044ab506869756",
+                                "reference": "b9816ed2b4a10c8c42bd0b6398044ab506869756",
                                 "shasum": ""
                         },
                         "require": {
@@ -382,20 +412,19 @@
                                 "phrity/net-stream": "^2.3",
                                 "phrity/net-uri": "^2.1",
                                 "psr/http-message": "^1.1 | ^2.0",
-                                "psr/log": "^1.0 | ^2.0 | ^3.0"
+                                "psr/log": "^1.0 || ^2.0 || ^3.0"
                         },
                         "require-dev": {
                                 "guzzlehttp/psr7": "^2.0",
-                                "php-coveralls/php-coveralls": "^2.0",
                                 "phpstan/phpstan": "^2.0",
-                                "phpunit/phpunit": "^10.0 | ^11.0 | ^12.0",
+                                "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
                                 "phrity/logger-console": "^1.0",
                                 "phrity/net-mock": "^2.3",
                                 "phrity/util-errorhandler": "^1.1",
                                 "robiningelbrecht/phpunit-coverage-tools": "^1.9",
-                                "squizlabs/php_codesniffer": "^3.5"
+                                "squizlabs/php_codesniffer": "^3.5 || ^4.0"
                         },
-                        "time": "2025-09-08T16:21:41+00:00",
+                        "time": "2025-12-21T09:58:16+00:00",
                         "type": "library",
                         "installation-source": "dist",
                         "autoload": {
@@ -426,7 +455,7 @@
                         ],
                         "support": {
                                 "issues": "https://github.com/sirn-se/websocket-php/issues",
-                                "source": "https://github.com/sirn-se/websocket-php/tree/3.6.0"
+                                "source": "https://github.com/sirn-se/websocket-php/tree/3.6.2"
                         },
                         "install-path": "../phrity/websocket"
                 },
diff --git a/vendor/composer/installed.php b/vendor/composer/installed.php
index 88f772f..61e4d33 100644
--- a/vendor/composer/installed.php
+++ b/vendor/composer/installed.php
@@ -1,9 +1,9 @@
 <?php return array(
     'root' => array(
         'name' => '__root__',
-        'pretty_version' => '1.0.0+no-version-set',
-        'version' => '1.0.0.0',
-        'reference' => null,
+        'pretty_version' => 'dev-main',
+        'version' => 'dev-main',
+        'reference' => '9ce3413e78d2809619557cbe6ea79fafc5dd70c5',
         'type' => 'library',
         'install_path' => __DIR__ . '/../../',
         'aliases' => array(),
@@ -11,72 +11,74 @@
     ),
     'versions' => array(
         '__root__' => array(
-            'pretty_version' => '1.0.0+no-version-set',
-            'version' => '1.0.0.0',
-            'reference' => null,
+            'pretty_version' => 'dev-main',
+            'version' => 'dev-main',
+            'reference' => '9ce3413e78d2809619557cbe6ea79fafc5dd70c5',
             'type' => 'library',
             'install_path' => __DIR__ . '/../../',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'karriere/pdf-merge' => array(
-            'pretty_version' => 'v3.3.1',
-            'version' => '3.3.1.0',
-            'reference' => 'd524a9d261ea96b18bbbab685b5710a7a0fe3a6e',
+            'pretty_version' => 'dev-master',
+            'version' => 'dev-master',
+            'reference' => '2903a4fda88466527bbafdfcc4d044e2b00a872f',
             'type' => 'library',
             'install_path' => __DIR__ . '/../karriere/pdf-merge',
-            'aliases' => array(),
+            'aliases' => array(
+                0 => '9999999-dev',
+            ),
             'dev_requirement' => false,
         ),
         'phrity/comparison' => array(
-            'pretty_version' => '1.4.0',
-            'version' => '1.4.0.0',
-            'reference' => 'aedd44d59db08de7d6c31812d1490c22aab35c92',
+            'pretty_version' => '1.4.1',
+            'version' => '1.4.1.0',
+            'reference' => 'cf80abb822537eeaaeb4142157cd667ca6372a13',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phrity/comparison',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'phrity/http' => array(
-            'pretty_version' => '1.0.0',
-            'version' => '1.0.0.0',
-            'reference' => '536e3e46e6220d171a59599ed1f4da9f6b6244fc',
+            'pretty_version' => '1.0.1',
+            'version' => '1.0.1.0',
+            'reference' => '8f9d8eb92cd34cf7b9ec092b45730ec3ba668937',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phrity/http',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'phrity/net-stream' => array(
-            'pretty_version' => '2.3.1',
-            'version' => '2.3.1.0',
-            'reference' => 'c621bb3108a5a02bba64df2e5f0cd7ada02665b5',
+            'pretty_version' => '2.3.2',
+            'version' => '2.3.2.0',
+            'reference' => '6d220446043c0b2bf512cfd89caa2494ad9afdd1',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phrity/net-stream',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'phrity/net-uri' => array(
-            'pretty_version' => '2.2.0',
-            'version' => '2.2.0.0',
-            'reference' => '08de4cf07e439c4708f572249659f09198ac99f0',
+            'pretty_version' => '2.2.1',
+            'version' => '2.2.1.0',
+            'reference' => '0737de026b75177ae302ac9fdbbd0ffc2610f3b8',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phrity/net-uri',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'phrity/util-errorhandler' => array(
-            'pretty_version' => '1.2.1',
-            'version' => '1.2.1.0',
-            'reference' => '9825f15ef9b4a93252ce53ca8962278832d834da',
+            'pretty_version' => '1.2.2',
+            'version' => '1.2.2.0',
+            'reference' => '70a669cc22db2eed6a109ec66fd95168a4332c9b',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phrity/util-errorhandler',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'phrity/websocket' => array(
-            'pretty_version' => '3.6.0',
-            'version' => '3.6.0.0',
-            'reference' => '3f16b2564a230bbce716cccaff2f6156a60a8798',
+            'pretty_version' => '3.6.2',
+            'version' => '3.6.2.0',
+            'reference' => 'b9816ed2b4a10c8c42bd0b6398044ab506869756',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phrity/websocket',
             'aliases' => array(),
diff --git a/vendor/karriere/pdf-merge/.github/workflows/ci.yml b/vendor/karriere/pdf-merge/.github/workflows/ci.yml
index 3e5deea..131c7ef 100644
--- a/vendor/karriere/pdf-merge/.github/workflows/ci.yml
+++ b/vendor/karriere/pdf-merge/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [ "8.1", "8.2", "8.3", "8.4" ]
+        php: [ "8.2", "8.3", "8.4", "8.5" ]
 
     runs-on: ubuntu-latest
     name: PHP@${{ matrix.php }}
@@ -22,7 +22,7 @@ jobs:
         with:
           php-version: ${{ matrix.php }}
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Validate composer.json and composer.lock
         run: composer validate
diff --git a/vendor/karriere/pdf-merge/CHANGELOG.md b/vendor/karriere/pdf-merge/CHANGELOG.md
index 17f7d90..6d86b06 100644
--- a/vendor/karriere/pdf-merge/CHANGELOG.md
+++ b/vendor/karriere/pdf-merge/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.4.1] - 2026-01-19
+### Added
+- Support for PHP 8.2
+
+## [3.4.0] - 2025-11-21
+### Added
+- Support for PHP 8.5
+
+### Removed
+- Support for PHP 8.1 and 8.2 
 
 ## [3.3.1] - 2025-02-19
 ### Added
diff --git a/vendor/karriere/pdf-merge/composer.json b/vendor/karriere/pdf-merge/composer.json
index 0603bd6..47cd368 100644
--- a/vendor/karriere/pdf-merge/composer.json
+++ b/vendor/karriere/pdf-merge/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "8.1.* | 8.2.* | 8.3.* | 8.4.*",
+        "php": "8.2.* | 8.3.* | 8.4.* | 8.5.*",
         "tecnickcom/tcpdf": "^6.3"
     },
     "require-dev": {
diff --git a/vendor/karriere/pdf-merge/tests/files/expected/output.pdf b/vendor/karriere/pdf-merge/tests/files/expected/output.pdf
index 9cf3f63..6e32e05 100644
Binary files a/vendor/karriere/pdf-merge/tests/files/expected/output.pdf and b/vendor/karriere/pdf-merge/tests/files/expected/output.pdf differ
diff --git a/vendor/karriere/pdf-merge/tests/files/expected/output_mixed_orientation.pdf b/vendor/karriere/pdf-merge/tests/files/expected/output_mixed_orientation.pdf
index e20c9c7..24950bf 100644
Binary files a/vendor/karriere/pdf-merge/tests/files/expected/output_mixed_orientation.pdf and b/vendor/karriere/pdf-merge/tests/files/expected/output_mixed_orientation.pdf differ
diff --git a/vendor/karriere/pdf-merge/tests/files/expected/output_with_header.pdf b/vendor/karriere/pdf-merge/tests/files/expected/output_with_header.pdf
index c36a76a..ca3cef8 100644
Binary files a/vendor/karriere/pdf-merge/tests/files/expected/output_with_header.pdf and b/vendor/karriere/pdf-merge/tests/files/expected/output_with_header.pdf differ
diff --git a/vendor/karriere/pdf-merge/tests/files/expected/output_with_header_and_footer.pdf b/vendor/karriere/pdf-merge/tests/files/expected/output_with_header_and_footer.pdf
index 6da8603..e5d833c 100644
Binary files a/vendor/karriere/pdf-merge/tests/files/expected/output_with_header_and_footer.pdf and b/vendor/karriere/pdf-merge/tests/files/expected/output_with_header_and_footer.pdf differ
diff --git a/vendor/phrity/comparison/composer.json b/vendor/phrity/comparison/composer.json
index 9287317..99eb638 100644
--- a/vendor/phrity/comparison/composer.json
+++ b/vendor/phrity/comparison/composer.json
@@ -26,9 +26,9 @@
         "php": "^8.1"
     },
     "require-dev": {
-        "php-coveralls/php-coveralls": "^2.0",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
-        "squizlabs/php_codesniffer": "^3.5"
+        "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
+        "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     }
 }
diff --git a/vendor/phrity/http/composer.json b/vendor/phrity/http/composer.json
index 9302b94..fa3adae 100644
--- a/vendor/phrity/http/composer.json
+++ b/vendor/phrity/http/composer.json
@@ -25,14 +25,14 @@
     "require": {
         "php": "^8.1",
         "psr/http-factory": "^1.0",
-        "psr/http-message": "^1.1 | ^2.0"
+        "psr/http-message": "^1.1 || ^2.0"
     },
     "require-dev": {
         "guzzlehttp/psr7": "^2.0",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
+        "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
         "robiningelbrecht/phpunit-coverage-tools": "^1.9",
-        "squizlabs/php_codesniffer": "^3.5"
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     },
     "provides": {
         "psr/http-factory-implementation": "*"
diff --git a/vendor/phrity/http/docu.json b/vendor/phrity/http/docu.json
deleted file mode 100644
index e217c11..0000000
--- a/vendor/phrity/http/docu.json
+++ /dev/null
@@ -1,10 +0,0 @@
-[
-    {
-        "name": "Overview",
-        "source": "README.md"
-    },
-    {
-        "name": "License",
-        "source": "LICENSE"
-    }
-]
diff --git a/vendor/phrity/net-stream/LICENSE b/vendor/phrity/net-stream/LICENSE
new file mode 100644
index 0000000..09eaada
--- /dev/null
+++ b/vendor/phrity/net-stream/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Sören Jensen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/vendor/phrity/net-stream/composer.json b/vendor/phrity/net-stream/composer.json
index d3778d4..c6b6227 100644
--- a/vendor/phrity/net-stream/composer.json
+++ b/vendor/phrity/net-stream/composer.json
@@ -26,13 +26,13 @@
         "php": "^8.1",
         "phrity/util-errorhandler": "^1.1",
         "psr/http-factory": "^1.0",
-        "psr/http-message": "^1.1 | ^2.0"
+        "psr/http-message": "^1.1 || ^2.0"
     },
     "require-dev": {
-        "php-coveralls/php-coveralls": "^2.0",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
+        "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
         "phrity/net-uri": "^2.0",
-        "squizlabs/php_codesniffer": "^3.5"
+        "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     }
 }
diff --git a/vendor/phrity/net-uri/LICENSE b/vendor/phrity/net-uri/LICENSE
new file mode 100644
index 0000000..09eaada
--- /dev/null
+++ b/vendor/phrity/net-uri/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Sören Jensen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/vendor/phrity/net-uri/composer.json b/vendor/phrity/net-uri/composer.json
index c0f5294..e9b8347 100644
--- a/vendor/phrity/net-uri/composer.json
+++ b/vendor/phrity/net-uri/composer.json
@@ -25,11 +25,11 @@
         "psr/http-message": "^1.1 | ^2.0"
     },
     "require-dev": {
-        "php-coveralls/php-coveralls": "^2.0",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
+        "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
         "phrity/util-errorhandler": "^1.1",
-        "squizlabs/php_codesniffer": "^3.5"
+        "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     },
     "suggest": {
         "ext-intl": "Enables IDN conversion for non-ASCII domains"
diff --git a/vendor/phrity/util-errorhandler/LICENSE b/vendor/phrity/util-errorhandler/LICENSE
new file mode 100644
index 0000000..09eaada
--- /dev/null
+++ b/vendor/phrity/util-errorhandler/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Sören Jensen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/vendor/phrity/util-errorhandler/composer.json b/vendor/phrity/util-errorhandler/composer.json
index 29a7ae2..4fc377d 100644
--- a/vendor/phrity/util-errorhandler/composer.json
+++ b/vendor/phrity/util-errorhandler/composer.json
@@ -26,9 +26,9 @@
         "php": "^8.1"
     },
     "require-dev": {
-        "php-coveralls/php-coveralls": "^2.0",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.0 | ^11.0  | ^12.0",
-        "squizlabs/php_codesniffer": "^3.5"
+        "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
+        "robiningelbrecht/phpunit-coverage-tools": "^1.9",
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     }
 }
diff --git a/vendor/phrity/websocket/composer.json b/vendor/phrity/websocket/composer.json
index 62b3164..fb2aa9b 100644
--- a/vendor/phrity/websocket/composer.json
+++ b/vendor/phrity/websocket/composer.json
@@ -31,18 +31,17 @@
         "phrity/net-uri": "^2.1",
         "phrity/net-stream": "^2.3",
         "psr/http-message": "^1.1 | ^2.0",
-        "psr/log": "^1.0 | ^2.0 | ^3.0"
+        "psr/log": "^1.0 || ^2.0 || ^3.0"
     },
     "require-dev": {
         "guzzlehttp/psr7": "^2.0",
-        "php-coveralls/php-coveralls": "^2.0",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.0 | ^11.0 | ^12.0",
+        "phpunit/phpunit": "^10.0 || ^11.0 || ^12.0",
         "phrity/logger-console": "^1.0",
         "phrity/net-mock": "^2.3",
         "phrity/util-errorhandler": "^1.1",
         "robiningelbrecht/phpunit-coverage-tools": "^1.9",
-        "squizlabs/php_codesniffer": "^3.5"
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     },
     "suggests": {
         "ext-zlib": "Required for per-message deflate compression"
diff --git a/vendor/phrity/websocket/docu.json b/vendor/phrity/websocket/docu.json
deleted file mode 100644
index 4331769..0000000
--- a/vendor/phrity/websocket/docu.json
+++ /dev/null
@@ -1,102 +0,0 @@
-[
-    {
-        "name": "Overview",
-        "source": "README.md"
-    },
-    {
-        "name": "Entry points",
-        "content": [
-            {
-                "name": "Client",
-                "source": "docs/Client.md"
-            },
-            {
-                "name": "Server",
-                "source": "docs/Server.md"
-            },
-        ],
-        "name": "Resources",
-        "content": [
-            {
-                "name": "Connection",
-                "source": "docs/Connection.md"
-            },
-            {
-                "name": "Listener",
-                "source": "docs/Listener.md"
-            },
-            {
-                "name": "Message",
-                "source": "docs/Message.md"
-            },
-            {
-                "name": "Middleware",
-                "source": "docs/Middleware.md",
-                "content": [
-                    {
-                        "name": "Callback",
-                        "source": "docs/Middleware/Callback.md"
-                    },
-                    {
-                        "name": "Close Handler",
-                        "source": "docs/Middleware/CloseHandler.md"
-                    },
-                    {
-                        "name": "Compression Extension",
-                        "source": "docs/Middleware/CompressionExtension.md"
-                    },
-                    {
-                        "name": "Follow Redirect",
-                        "source": "docs/Middleware/FollowRedirect.md"
-                    },
-                    {
-                        "name": "Ping Interval",
-                        "source": "docs/Middleware/PingInterval.md"
-                    },
-                    {
-                        "name": "Ping Responder",
-                        "source": "docs/Middleware/PingResponder.md"
-                    },
-                    {
-                        "name": "Subprotocol Negotiation",
-                        "source": "docs/Middleware/SubprotocolNegotiation.md"
-                    },
-                    {
-                        "name": "Creating your own middleware",
-                        "source": "docs/Middleware/Creating.md"
-                    },
-                ]
-            },
-        ],
-        "name": "Developer resources",
-        "content": [
-            {
-                "name": "Changelog",
-                "source": "docs/Changelog.md"
-            },
-            {
-                "name": "Contributing",
-                "source": "docs/Contributing.md"
-            },
-            {
-                "name": "Examples",
-                "source": "docs/Examples.md"
-            },
-            {
-                "name": "Class synopsis",
-                "source": "docs/Class_Synopsis.md"
-            },
-        ],
-        "name": "Migration",
-        "content": [
-            {
-                "name": "Migration v2 -> v3",
-                "source": "docs/Migrate_2_3.md"
-            },
-        ]
-    },
-    {
-        "name": "License",
-        "source": "LICENSE.md"
-    }
-]
\ No newline at end of file
diff --git a/vendor/phrity/websocket/src/Middleware/CompressionExtension/DeflateCompressor.php b/vendor/phrity/websocket/src/Middleware/CompressionExtension/DeflateCompressor.php
index a955631..a5b2257 100644
--- a/vendor/phrity/websocket/src/Middleware/CompressionExtension/DeflateCompressor.php
+++ b/vendor/phrity/websocket/src/Middleware/CompressionExtension/DeflateCompressor.php
@@ -149,7 +149,8 @@ public function getConfiguration(string $element, bool $isServer): object
         ];
         foreach (explode(';', $element) as $parameter) {
             $parts = explode('=', $parameter);
-            $key = trim($parts[0]);
+            $key = trim(array_shift($parts));
+            $value = array_shift($parts);
             // @todo: Error handling when parsing
             switch ($key) {
                 case 'permessage-deflate':
@@ -162,11 +163,11 @@ public function getConfiguration(string $element, bool $isServer): object
                     $configuration->clientNoContextTakeover = true;
                     break;
                 case 'server_max_window_bits':
-                    $bits = intval($parts[1] ?? self::MAX_WINDOW_SIZE);
+                    $bits = $this->intVal($value);
                     $configuration->serverMaxWindowBits = min($bits, $this->serverMaxWindowBits);
                     break;
                 case 'client_max_window_bits':
-                    $bits = intval($parts[1] ?? self::MAX_WINDOW_SIZE);
+                    $bits = $this->intVal($value);
                     $configuration->clientMaxWindowBits = min($bits, $this->clientMaxWindowBits);
                     break;
             }
@@ -233,4 +234,17 @@ public function decompress(Binary|Text $message, object $configuration): Binary|
         $message->setPayload($inflated);
         return $message;
     }
+
+    private function intVal(string|null $input): int
+    {
+        if (is_null($input)) {
+            return self::MAX_WINDOW_SIZE;
+        }
+        preg_match('/([1-9][0-9]*)/', $input, $matches);
+        if (empty($matches)) {
+            return self::MAX_WINDOW_SIZE;
+        }
+        $value = (int)array_shift($matches);
+        return min(max($value, self::MIN_WINDOW_SIZE), self::MAX_WINDOW_SIZE);
+    }
 }
diff --git a/vendor/phrity/websocket/src/Server.php b/vendor/phrity/websocket/src/Server.php
index a1f7c2f..6a9bf75 100644
--- a/vendor/phrity/websocket/src/Server.php
+++ b/vendor/phrity/websocket/src/Server.php
@@ -529,7 +529,7 @@ protected function acceptSocket(SocketServer $socket): void
         try {
             /** @var SocketStream $stream */
             $stream = $socket->accept();
-            $name = $stream->getRemoteName();
+            $name = $stream->getRemoteName() ?? 'unknown';
             $this->streams()->attach($stream, $name);
             $connection = new Connection(
                 $stream,