diff --git a/composer.json b/composer.json
index 823f74f7..2466e488 100644
--- a/composer.json
+++ b/composer.json
@@ -11,10 +11,7 @@
   "autoload-dev": {
     "psr-4": {
       "Mittwald\\ApiClient\\Tests\\": "tests/"
-    },
-    "files": [
-      "vendor/phpunit/phpunit/src/Framework/Assert/Functions.php"
-    ]
+    }
   },
   "authors": [
     {
@@ -31,7 +28,7 @@
   "require-dev": {
     "vimeo/psalm": "^5.15",
     "friendsofphp/php-cs-fixer": "^3.25",
-    "rector/rector": "^0.18.2",
+    "rector/rector": "^0.19.8",
     "phpunit/phpunit": "^10.5"
   },
   "scripts": {
diff --git a/composer.lock b/composer.lock
index 49f0d5a2..65ef00be 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": "54b479d7a9b5ede3c267cf06807dea8a",
+    "content-hash": "088fa31374b755e390aeabaae015ba85",
     "packages": [
         {
             "name": "caseyamcl/guzzle_retry_middleware",
@@ -2352,16 +2352,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.13",
+            "version": "10.5.17",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "20a63fc1c6db29b15da3bd02d4b6cf59900088a7"
+                "reference": "c1f736a473d21957ead7e94fcc029f571895abf5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/20a63fc1c6db29b15da3bd02d4b6cf59900088a7",
-                "reference": "20a63fc1c6db29b15da3bd02d4b6cf59900088a7",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c1f736a473d21957ead7e94fcc029f571895abf5",
+                "reference": "c1f736a473d21957ead7e94fcc029f571895abf5",
                 "shasum": ""
             },
             "require": {
@@ -2433,7 +2433,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.13"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.17"
             },
             "funding": [
                 {
@@ -2449,7 +2449,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-03-12T15:37:41+00:00"
+            "time": "2024-04-05T04:39:01+00:00"
         },
         {
             "name": "psr/container",
@@ -2606,21 +2606,21 @@
         },
         {
             "name": "rector/rector",
-            "version": "0.18.13",
+            "version": "0.19.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/rectorphp/rector.git",
-                "reference": "f8011a76d36aa4f839f60f3b4f97707d97176618"
+                "reference": "de3b3bb159abd704b144aa86fb244f7f1f4ac947"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/rectorphp/rector/zipball/f8011a76d36aa4f839f60f3b4f97707d97176618",
-                "reference": "f8011a76d36aa4f839f60f3b4f97707d97176618",
+                "url": "https://api.github.com/repos/rectorphp/rector/zipball/de3b3bb159abd704b144aa86fb244f7f1f4ac947",
+                "reference": "de3b3bb159abd704b144aa86fb244f7f1f4ac947",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.2|^8.0",
-                "phpstan/phpstan": "^1.10.35"
+                "phpstan/phpstan": "^1.10.56"
             },
             "conflict": {
                 "rector/rector-doctrine": "*",
@@ -2650,7 +2650,7 @@
             ],
             "support": {
                 "issues": "https://github.com/rectorphp/rector/issues",
-                "source": "https://github.com/rectorphp/rector/tree/0.18.13"
+                "source": "https://github.com/rectorphp/rector/tree/0.19.8"
             },
             "funding": [
                 {
@@ -2658,7 +2658,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-12-20T16:08:01+00:00"
+            "time": "2024-02-05T10:59:13+00:00"
         },
         {
             "name": "sebastian/cli-parser",