diff --git a/composer.json b/composer.json
index c8572422..76df8d30 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
   "require": {
     "php": "^7.4 || ^8.0",
     "composer-plugin-api": "^2.0.0",
-    "ergebnis/json-normalizer": "~2.1.0",
+    "ergebnis/json-normalizer": "~2.2.0",
     "ergebnis/json-printer": "^3.2.0",
     "justinrainbow/json-schema": "^5.2.12",
     "localheinz/diff": "^1.1.1"
diff --git a/composer.lock b/composer.lock
index d512b2ce..27410774 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "60aacce5b2e7bb874984bd27c1d2bc50",
+    "content-hash": "d114c5cb5acca9ebbb96aaacbca15973",
     "packages": [
         {
             "name": "ergebnis/json-normalizer",
-            "version": "2.1.0",
+            "version": "2.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ergebnis/json-normalizer.git",
-                "reference": "2039eb11131a243b9204bf51219baa08935e6b1d"
+                "reference": "b4c8de936ff453d1b2e45599b995db724e405e97"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ergebnis/json-normalizer/zipball/2039eb11131a243b9204bf51219baa08935e6b1d",
-                "reference": "2039eb11131a243b9204bf51219baa08935e6b1d",
+                "url": "https://api.github.com/repos/ergebnis/json-normalizer/zipball/b4c8de936ff453d1b2e45599b995db724e405e97",
+                "reference": "b4c8de936ff453d1b2e45599b995db724e405e97",
                 "shasum": ""
             },
             "require": {
@@ -30,12 +30,12 @@
             "require-dev": {
                 "ergebnis/data-provider": "^1.0.0",
                 "ergebnis/license": "^1.2.0",
-                "ergebnis/php-cs-fixer-config": "^3.4.0",
+                "ergebnis/php-cs-fixer-config": "^4.0.0",
                 "fakerphp/faker": "^1.17.0",
-                "infection/infection": "~0.25.5",
-                "phpunit/phpunit": "^9.5.11",
+                "infection/infection": "~0.26.2",
+                "phpunit/phpunit": "^9.5.12",
                 "psalm/plugin-phpunit": "~0.16.1",
-                "vimeo/psalm": "^4.17.0"
+                "vimeo/psalm": "^4.18"
             },
             "type": "library",
             "autoload": {
@@ -69,7 +69,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-01-04T11:19:55+00:00"
+            "time": "2022-01-21T18:55:05+00:00"
         },
         {
             "name": "ergebnis/json-printer",