diff --git a/composer.json b/composer.json
index 0a2f1db8..37210111 100644
--- a/composer.json
+++ b/composer.json
@@ -46,9 +46,9 @@
         "http-interop/http-factory-tests": "^0.9.0",
         "laminas/laminas-coding-standard": "^2.4.0",
         "php-http/psr7-integration-tests": "^1.2",
-        "phpunit/phpunit": "^9.5.26",
-        "psalm/plugin-phpunit": "^0.18.0",
-        "vimeo/psalm": "^5.0.0"
+        "phpunit/phpunit": "^9.5.27",
+        "psalm/plugin-phpunit": "^0.18.4",
+        "vimeo/psalm": "^5.4"
     },
     "provide": {
         "psr/http-factory-implementation": "1.0",
diff --git a/composer.lock b/composer.lock
index 35c73866..4b77863a 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": "e648a7ae1f89270f45676c296966494f",
+    "content-hash": "1ed729b44928df771fa1af7a5f07bfd6",
     "packages": [
         {
             "name": "psr/http-factory",
@@ -1188,59 +1188,6 @@
             },
             "time": "2022-11-12T15:38:23+00:00"
         },
-        {
-            "name": "openlss/lib-array2xml",
-            "version": "1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nullivex/lib-array2xml.git",
-                "reference": "a91f18a8dfc69ffabe5f9b068bc39bb202c81d90"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nullivex/lib-array2xml/zipball/a91f18a8dfc69ffabe5f9b068bc39bb202c81d90",
-                "reference": "a91f18a8dfc69ffabe5f9b068bc39bb202c81d90",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.2"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-0": {
-                    "LSS": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "Apache-2.0"
-            ],
-            "authors": [
-                {
-                    "name": "Bryan Tong",
-                    "email": "bryan@nullivex.com",
-                    "homepage": "https://www.nullivex.com"
-                },
-                {
-                    "name": "Tony Butler",
-                    "email": "spudz76@gmail.com",
-                    "homepage": "https://www.nullivex.com"
-                }
-            ],
-            "description": "Array2XML conversion library credit to lalit.org",
-            "homepage": "https://www.nullivex.com",
-            "keywords": [
-                "array",
-                "array conversion",
-                "xml",
-                "xml conversion"
-            ],
-            "support": {
-                "issues": "https://github.com/nullivex/lib-array2xml/issues",
-                "source": "https://github.com/nullivex/lib-array2xml/tree/master"
-            },
-            "time": "2019-03-29T20:06:56+00:00"
-        },
         {
             "name": "phar-io/manifest",
             "version": "2.0.3",
@@ -1622,16 +1569,16 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.21",
+            "version": "9.2.22",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "3f893e19712bb0c8bc86665d1562e9fd509c4ef0"
+                "reference": "e4bf60d2220b4baaa0572986b5d69870226b06df"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/3f893e19712bb0c8bc86665d1562e9fd509c4ef0",
-                "reference": "3f893e19712bb0c8bc86665d1562e9fd509c4ef0",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/e4bf60d2220b4baaa0572986b5d69870226b06df",
+                "reference": "e4bf60d2220b4baaa0572986b5d69870226b06df",
                 "shasum": ""
             },
             "require": {
@@ -1687,7 +1634,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.21"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.22"
             },
             "funding": [
                 {
@@ -1695,7 +1642,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-12-14T13:26:54+00:00"
+            "time": "2022-12-18T16:40:55+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -3228,6 +3175,70 @@
             ],
             "time": "2022-05-25T10:58:12+00:00"
         },
+        {
+            "name": "spatie/array-to-xml",
+            "version": "2.17.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/spatie/array-to-xml.git",
+                "reference": "df0f116f26f6d3f84041e94d46811ee6b64fe7d5"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/spatie/array-to-xml/zipball/df0f116f26f6d3f84041e94d46811ee6b64fe7d5",
+                "reference": "df0f116f26f6d3f84041e94d46811ee6b64fe7d5",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "php": "^7.4|^8.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "^1.2",
+                "pestphp/pest": "^1.21",
+                "phpunit/phpunit": "^9.0",
+                "spatie/pest-plugin-snapshots": "^1.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Spatie\\ArrayToXml\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Freek Van der Herten",
+                    "email": "freek@spatie.be",
+                    "homepage": "https://freek.dev",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Convert an array to xml",
+            "homepage": "https://github.com/spatie/array-to-xml",
+            "keywords": [
+                "array",
+                "convert",
+                "xml"
+            ],
+            "support": {
+                "source": "https://github.com/spatie/array-to-xml/tree/2.17.0"
+            },
+            "funding": [
+                {
+                    "url": "https://spatie.be/open-source/support-us",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/spatie",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-12-13T09:08:39+00:00"
+        },
         {
             "name": "squizlabs/php_codesniffer",
             "version": "3.7.1",
@@ -4074,16 +4085,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "5.2.0",
+            "version": "5.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "fb685a16df3050d4c18d8a4100fe83abe6458cba"
+                "reference": "62db5d4f6a7ae0a20f7cc5a4952d730272fc0863"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/fb685a16df3050d4c18d8a4100fe83abe6458cba",
-                "reference": "fb685a16df3050d4c18d8a4100fe83abe6458cba",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/62db5d4f6a7ae0a20f7cc5a4952d730272fc0863",
+                "reference": "62db5d4f6a7ae0a20f7cc5a4952d730272fc0863",
                 "shasum": ""
             },
             "require": {
@@ -4105,9 +4116,9 @@
                 "fidry/cpu-core-counter": "^0.4.0",
                 "netresearch/jsonmapper": "^1.0 || ^2.0 || ^3.0 || ^4.0",
                 "nikic/php-parser": "^4.13",
-                "openlss/lib-array2xml": "^1.0",
                 "php": "^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0",
                 "sebastian/diff": "^4.0",
+                "spatie/array-to-xml": "^2.17.0",
                 "symfony/console": "^4.1.6 || ^5.0 || ^6.0",
                 "symfony/filesystem": "^5.4 || ^6.0",
                 "symfony/polyfill-php80": "^1.25"
@@ -4173,9 +4184,9 @@
             ],
             "support": {
                 "issues": "https://github.com/vimeo/psalm/issues",
-                "source": "https://github.com/vimeo/psalm/tree/5.2.0"
+                "source": "https://github.com/vimeo/psalm/tree/5.4.0"
             },
-            "time": "2022-12-12T08:18:56+00:00"
+            "time": "2022-12-19T21:31:12+00:00"
         },
         {
             "name": "webimpress/coding-standard",
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 7bf8b30e..1741a4f9 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="5.2.0@fb685a16df3050d4c18d8a4100fe83abe6458cba">
+<files psalm-version="5.3.0@b6faa3e96b8eb50ec71384c53799b8a107236bb6">
   <file src="src/CallbackStream.php">
     <ImplementedReturnTypeMismatch occurrences="1">
       <code>null|callable</code>
@@ -40,9 +40,8 @@
     <MixedAssignment occurrences="1">
       <code>$value</code>
     </MixedAssignment>
-    <MixedPropertyTypeCoercion occurrences="2">
+    <MixedPropertyTypeCoercion occurrences="1">
       <code>$headers</code>
-      <code>$new-&gt;headers</code>
     </MixedPropertyTypeCoercion>
     <ParamNameMismatch occurrences="2">
       <code>$header</code>
diff --git a/src/MessageTrait.php b/src/MessageTrait.php
index c4dac43f..695b942e 100644
--- a/src/MessageTrait.php
+++ b/src/MessageTrait.php
@@ -374,9 +374,7 @@ private function validateProtocolVersion($version): void
         }
     }
 
-    /**
-     * @return string[]
-     */
+    /** @return list<string> */
     private function filterHeaderValue(mixed $values): array
     {
         if (! is_array($values)) {