diff --git a/composer.json b/composer.json
index 2453ce1d..92ad29b0 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "phpstan/phpstan": "~0.11.15 || ~0.12.0"
   },
   "require-dev": {
-    "ergebnis/composer-normalize": "^2.2.4",
+    "ergebnis/composer-normalize": "^2.3.0",
     "ergebnis/license": "~0.1.0",
     "ergebnis/php-cs-fixer-config": "^2.1.0",
     "ergebnis/test-util": "~0.9.1",
diff --git a/composer.lock b/composer.lock
index c9cd6ee0..03ba9236 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": "c2b3a5d32438877b113a214148566eac",
+    "content-hash": "127d1c4574e607e628730a6af8406eef",
     "packages": [
         {
             "name": "composer/xdebug-handler",
@@ -1773,16 +1773,16 @@
         },
         {
             "name": "ergebnis/composer-normalize",
-            "version": "2.2.4",
+            "version": "2.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ergebnis/composer-normalize.git",
-                "reference": "069fadf1ecf277c878affeb4f4e8c2881d7b141d"
+                "reference": "8b6458857665b40ce8611b42304388f37dbbf009"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/069fadf1ecf277c878affeb4f4e8c2881d7b141d",
-                "reference": "069fadf1ecf277c878affeb4f4e8c2881d7b141d",
+                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/8b6458857665b40ce8611b42304388f37dbbf009",
+                "reference": "8b6458857665b40ce8611b42304388f37dbbf009",
                 "shasum": ""
             },
             "require": {
@@ -1793,21 +1793,21 @@
                 "php": "^7.1"
             },
             "require-dev": {
-                "composer/composer": "^1.7.0",
+                "composer/composer": "^1.10.0",
                 "ergebnis/license": "~0.1.0",
-                "ergebnis/php-cs-fixer-config": "^2.0.0",
+                "ergebnis/php-cs-fixer-config": "^2.1.0",
                 "ergebnis/phpstan-rules": "~0.14.3",
                 "ergebnis/test-util": "~0.9.1",
                 "jangregor/phpstan-prophecy": "~0.6.2",
                 "phpstan/extension-installer": "^1.0.3",
-                "phpstan/phpstan": "~0.12.11",
+                "phpstan/phpstan": "~0.12.14",
                 "phpstan/phpstan-deprecation-rules": "~0.12.2",
                 "phpstan/phpstan-phpunit": "~0.12.6",
                 "phpstan/phpstan-strict-rules": "~0.12.2",
                 "phpunit/phpunit": "^7.5.20",
                 "psalm/plugin-phpunit": "~0.9.0",
-                "symfony/filesystem": "^4.4.4",
-                "vimeo/psalm": "^3.9.3"
+                "symfony/filesystem": "^4.4.5",
+                "vimeo/psalm": "^3.9.5"
             },
             "type": "composer-plugin",
             "extra": {
@@ -1836,7 +1836,7 @@
                 "normalizer",
                 "plugin"
             ],
-            "time": "2020-02-22T12:20:17+00:00"
+            "time": "2020-03-11T21:50:59+00:00"
         },
         {
             "name": "ergebnis/json-normalizer",