diff --git a/composer.json b/composer.json
index f252f89..bb0a89b 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
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     "ergebnis/php-cs-fixer-config": "^2.2.2",
     "ergebnis/phpstan-rules": "~0.15.2",
-    "ergebnis/test-util": "^1.1.0",
+    "ergebnis/test-util": "^1.4.0",
     "infection/infection": "~0.15.3",
     "jangregor/phpstan-prophecy": "~0.8.0",
     "phpstan/extension-installer": "^1.0.5",
diff --git a/composer.lock b/composer.lock
index 1b4546a..5fc854d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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     ],
-    "content-hash": "98c97c2308737fac3355246547dff816",
+    "content-hash": "9fa5c49e3a4f401ebbf1fffdec2eb638",
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     "packages-dev": [
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@@ -1084,39 +1084,45 @@
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-            "version": "1.1.0",
+            "version": "1.4.0",
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                 "url": "https://github.com/ergebnis/test-util.git",
-                "reference": "bbb15e417b44044a93ac083fa1d73ae5551c7505"
+                "reference": "825611c9b3c25514f17c64d7e7b522ca060b9e7a"
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             "dist": {
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-                "reference": "bbb15e417b44044a93ac083fa1d73ae5551c7505",
+                "url": "https://api.github.com/repos/ergebnis/test-util/zipball/825611c9b3c25514f17c64d7e7b522ca060b9e7a",
+                "reference": "825611c9b3c25514f17c64d7e7b522ca060b9e7a",
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+                "fakerphp/faker": "^1.11.0",
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-                "ergebnis/php-cs-fixer-config": "^2.2.1",
-                "ergebnis/phpstan-rules": "~0.15.2",
+                "ergebnis/composer-normalize": "^2.10.0",
+                "ergebnis/license": "^1.1.0",
+                "ergebnis/php-cs-fixer-config": "^2.5.2",
+                "ergebnis/phpstan-rules": "~0.15.3",
                 "infection/infection": "~0.15.3",
-                "phpstan/extension-installer": "^1.0.4",
-                "phpstan/phpstan": "~0.12.40",
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                 "phpstan/phpstan-phpunit": "~0.12.16",
-                "phpstan/phpstan-strict-rules": "~0.12.4",
+                "phpstan/phpstan-strict-rules": "~0.12.5",
                 "phpunit/phpunit": "^8.5.8",
-                "psalm/plugin-phpunit": "~0.11.0",
-                "vimeo/psalm": "^3.14.2"
+                "psalm/plugin-phpunit": "~0.12.2",
+                "vimeo/psalm": "^3.18"
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             "type": "library",
+            "extra": {
+                "composer-normalize": {
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+                    "indent-style": "space"
+                }
+            },
             "autoload": {
                 "psr-4": {
                     "Ergebnis\\Test\\Util\\": "src/"
@@ -1132,7 +1138,7 @@
                     "email": "am@localheinz.com"
                 }
             ],
-            "description": "Provides utilities for tests.",
+            "description": "Provides a helper trait and generic data providers for tests.",
             "homepage": "https://github.com/ergebnis/test-util",
             "keywords": [
                 "assertion",
@@ -1146,7 +1152,55 @@
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                 }
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-            "time": "2020-08-30T10:56:49+00:00"
+            "time": "2020-11-17T17:57:47+00:00"
+        },
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+            "version": "v1.11.0",
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+                "reference": "f228dc5112bafc14c77d40a2acc0c48058e184b0"
+            },
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+                "reference": "f228dc5112bafc14c77d40a2acc0c48058e184b0",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0"
+            },
+            "conflict": {
+                "fzaninotto/faker": "*"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.4.1",
+                "ext-intl": "*",
+                "phpunit/phpunit": "^7.5.20 || ^8.5.8 || ^9.4.2"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Faker\\": "src/Faker/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "François Zaninotto"
+                }
+            ],
+            "description": "Faker is a PHP library that generates fake data for you.",
+            "keywords": [
+                "data",
+                "faker",
+                "fixtures"
+            ],
+            "time": "2020-11-15T20:27:00+00:00"
         },
         {
             "name": "felixfbecker/advanced-json-rpc",
@@ -1333,56 +1387,6 @@
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             "time": "2020-06-27T23:57:46+00:00"
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-            "version": "v1.9.1",
-            "source": {
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-                "url": "https://github.com/fzaninotto/Faker.git",
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-                "reference": "fc10d778e4b84d5bd315dad194661e091d307c6f",
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-                "phpunit/phpunit": "^4.8.35 || ^5.7",
-                "squizlabs/php_codesniffer": "^2.9.2"
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-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "François Zaninotto"
-                }
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-            "description": "Faker is a PHP library that generates fake data for you.",
-            "keywords": [
-                "data",
-                "faker",
-                "fixtures"
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-            "time": "2019-12-12T13:22:17+00:00"
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             "version": "0.15.3",