diff --git a/composer.lock b/composer.lock
index 328639a..b2a5afe 100644
--- a/composer.lock
+++ b/composer.lock
@@ -337,98 +337,42 @@
             ],
             "time": "2019-06-08T11:03:04+00:00"
         },
-        {
-            "name": "ergebnis/composer-json-normalizer",
-            "version": "2.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/ergebnis/composer-json-normalizer.git",
-                "reference": "0279214509baf22905c99fe5528e1b74533e6a42"
-            },
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-                "reference": "0279214509baf22905c99fe5528e1b74533e6a42",
-                "shasum": ""
-            },
-            "require": {
-                "ergebnis/json-normalizer": "~0.10.1",
-                "ext-json": "*",
-                "justinrainbow/json-schema": "^4.0.0 || ^5.0.0",
-                "php": "^7.1"
-            },
-            "require-dev": {
-                "ergebnis/php-cs-fixer-config": "~1.1.2",
-                "ergebnis/phpstan-rules": "~0.14.2",
-                "ergebnis/test-util": "~0.9.1",
-                "infection/infection": "~0.13.6",
-                "jangregor/phpstan-prophecy": "~0.5.0",
-                "phpstan/extension-installer": "^1.0.3",
-                "phpstan/phpstan": "~0.11.19",
-                "phpstan/phpstan-deprecation-rules": "~0.11.2",
-                "phpstan/phpstan-strict-rules": "~0.11.1",
-                "phpunit/phpunit": "^7.5.18"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Ergebnis\\Composer\\Json\\Normalizer\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Andreas Möller",
-                    "email": "am@localheinz.com"
-                }
-            ],
-            "description": "Provides normalizers for normalizing composer.json.",
-            "homepage": "https://github.com/ergebnis/composer-json-normalizer",
-            "keywords": [
-                "composer",
-                "json",
-                "normalizer"
-            ],
-            "time": "2019-12-19T17:12:18+00:00"
-        },
         {
             "name": "ergebnis/composer-normalize",
-            "version": "2.2.0",
+            "version": "2.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ergebnis/composer-normalize.git",
-                "reference": "38a8ce53a18e0c6b1e00eb3da57c27d695fe38df"
+                "reference": "139de179ffc82e7e9559d43d9edeb226a46b4a08"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/38a8ce53a18e0c6b1e00eb3da57c27d695fe38df",
-                "reference": "38a8ce53a18e0c6b1e00eb3da57c27d695fe38df",
+                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/139de179ffc82e7e9559d43d9edeb226a46b4a08",
+                "reference": "139de179ffc82e7e9559d43d9edeb226a46b4a08",
                 "shasum": ""
             },
             "require": {
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-                "ergebnis/composer-json-normalizer": "^2.0.1",
-                "ergebnis/json-normalizer": "~0.10.1",
+                "ergebnis/json-normalizer": "~0.11.0",
                 "ergebnis/json-printer": "^3.0.2",
                 "localheinz/diff": "^1.0.1",
                 "php": "^7.1"
             },
             "require-dev": {
                 "composer/composer": "^1.7.0",
-                "ergebnis/php-cs-fixer-config": "~1.1.2",
+                "ergebnis/php-cs-fixer-config": "^1.1.3",
                 "ergebnis/phpstan-rules": "~0.14.2",
                 "ergebnis/test-util": "~0.9.1",
                 "jangregor/phpstan-prophecy": "~0.6.0",
                 "phpstan/extension-installer": "^1.0.3",
-                "phpstan/phpstan": "~0.12.3",
-                "phpstan/phpstan-deprecation-rules": "~0.12.0",
-                "phpstan/phpstan-phpunit": "~0.12.3",
-                "phpstan/phpstan-strict-rules": "~0.12.0",
-                "phpunit/phpunit": "^7.5.18",
-                "symfony/filesystem": "^4.4.1"
+                "phpstan/phpstan": "~0.12.4",
+                "phpstan/phpstan-deprecation-rules": "~0.12.1",
+                "phpstan/phpstan-phpunit": "~0.12.5",
+                "phpstan/phpstan-strict-rules": "~0.12.1",
+                "phpunit/phpunit": "^7.5.20",
+                "psalm/plugin-phpunit": "~0.8.0",
+                "symfony/filesystem": "^4.4.1",
+                "vimeo/psalm": "^3.8.2"
             },
             "type": "composer-plugin",
             "extra": {
@@ -457,20 +401,20 @@
                 "normalizer",
                 "plugin"
             ],
-            "time": "2020-01-01T11:15:02+00:00"
+            "time": "2020-01-09T14:11:49+00:00"
         },
         {
             "name": "ergebnis/json-normalizer",
-            "version": "0.10.1",
+            "version": "0.11.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ergebnis/json-normalizer.git",
-                "reference": "0948169c680527940928d166b447a044b9c9e71e"
+                "reference": "6a41d9a53f640bff8ef5516efd3aadc6f1ad1f37"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ergebnis/json-normalizer/zipball/0948169c680527940928d166b447a044b9c9e71e",
-                "reference": "0948169c680527940928d166b447a044b9c9e71e",
+                "url": "https://api.github.com/repos/ergebnis/json-normalizer/zipball/6a41d9a53f640bff8ef5516efd3aadc6f1ad1f37",
+                "reference": "6a41d9a53f640bff8ef5516efd3aadc6f1ad1f37",
                 "shasum": ""
             },
             "require": {
@@ -480,17 +424,20 @@
                 "php": "^7.1"
             },
             "require-dev": {
-                "ergebnis/php-cs-fixer-config": "~1.1.2",
+                "ergebnis/php-cs-fixer-config": "^1.1.3",
                 "ergebnis/phpstan-rules": "~0.14.2",
                 "ergebnis/test-util": "~0.9.1",
                 "infection/infection": "~0.13.6",
-                "jangregor/phpstan-prophecy": "~0.4.2",
+                "jangregor/phpstan-prophecy": "~0.6.0",
                 "phpbench/phpbench": "~0.16.10",
                 "phpstan/extension-installer": "^1.0.3",
-                "phpstan/phpstan": "~0.11.19",
-                "phpstan/phpstan-deprecation-rules": "~0.11.2",
-                "phpstan/phpstan-strict-rules": "~0.11.1",
-                "phpunit/phpunit": "^7.5.18"
+                "phpstan/phpstan": "~0.12.4",
+                "phpstan/phpstan-deprecation-rules": "~0.12.1",
+                "phpstan/phpstan-phpunit": "~0.12.5",
+                "phpstan/phpstan-strict-rules": "~0.12.1",
+                "phpunit/phpunit": "^7.5.20",
+                "psalm/plugin-phpunit": "~0.8.0",
+                "vimeo/psalm": "^3.8.2"
             },
             "type": "library",
             "autoload": {
@@ -508,13 +455,13 @@
                     "email": "am@localheinz.com"
                 }
             ],
-            "description": "Provides normalizers for normalizing JSON documents.",
+            "description": "Provides generic and vendor-specific normalizers for normalizing JSON documents.",
             "homepage": "https://github.com/ergebnis/json-normalizer",
             "keywords": [
                 "json",
                 "normalizer"
             ],
-            "time": "2019-12-19T16:36:22+00:00"
+            "time": "2020-01-09T13:43:00+00:00"
         },
         {
             "name": "ergebnis/json-printer",