diff --git a/composer.json b/composer.json
index 82ee01a..61c1c3b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,23 +1,35 @@
 {
     "name": "digicomp/flow-webmanifest-utils",
-    "type": "neos-package",
     "description": "",
+    "type": "neos-package",
+    "license": "proprietary",
     "require": {
+        "php": ">=7.4.0",
         "ext-json": "*",
-        "neos/flow": "^6.3 | ^7.3 | ^8.3",
-        "php": ">= 7.4",
-        "symfony/polyfill-php80": "^1.16"
+        "neos/flow": "^6.3 || ^7.3 || ^8.3",
+        "symfony/polyfill-php80": "^1.31.0"
+    },
+    "require-dev": {
+        "mikey179/vfsstream": "^1.6.1",
+        "neos/buildessentials": "^7.0.0",
+        "phpunit/phpunit": "~8.5",
+        "vimeo/psalm": "~4.22.0"
     },
     "autoload": {
         "psr-4": {
-            "DigiComp\\FlowWebManifestUtils\\": "Classes"
+            "DigiComp\\FlowWebManifestUtils\\": "Classes/"
         }
     },
+    "config": {
+        "sort-packages": true,
+        "platform-check": true
+    },
     "extra": {
         "branch-alias": {
             "dev-develop": "1.0.x-dev"
         },
-        "applied-flow-migrations": [
-        ]
+        "neos": {
+            "package-key": "DigiComp.FlowWebManifestUtils"
+        }
     }
 }