diff --git a/composer.json b/composer.json
index dea3505..fe00d76 100644
--- a/composer.json
+++ b/composer.json
@@ -2,19 +2,46 @@
     "name": "digicomp/flowsessionlock",
     "description": "Session locking for Neos Flow - it secures the session becoming corrupted by concurrent access to the same session by different requests",
     "type": "neos-package",
+    "keywords": [
+        "Neos",
+        "Flow"
+    ],
+    "homepage": "https://github.com/digital-competence/FlowSessionLock",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Ferdinand Kuhl",
+            "email": "f.kuhl@digital-competence.de",
+            "homepage": "https://www.digital-competence.de",
+            "role": "Developer"
+        }
+    ],
     "require": {
-        "neos/flow": "^7.3.0 | ^8.2",
-        "php": "^7.4 | ^8.1",
-        "symfony/lock": "^5.2.0 | ^6.2.0"
+        "php": ">=7.4",
+        "neos/flow": "^7.3.0 || ^8.2.0",
+        "symfony/lock": "^5.2.0 || ^6.2.0"
     },
     "require-dev": {
-        "ext-pcntl": "*"
+        "ext-pcntl": "*",
+        "mikey179/vfsstream": "^1.6.1",
+        "neos/buildessentials": "^7.0.0",
+        "phpunit/phpunit": "~8.5",
+        "vimeo/psalm": "~4.22.0"
     },
     "autoload": {
         "psr-4": {
             "DigiComp\\FlowSessionLock\\": "Classes/"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "DigiComp\\FlowSessionLock\\Tests\\": "Tests/"
+        }
+    },
+    "config": {
+        "sort-packages": true,
+        "platform-check": true
+    },
     "extra": {
         "neos": {
             "package-key": "DigiComp.FlowSessionLock"
@@ -34,19 +61,5 @@
             "Neos.Flow-20201205172733",
             "Neos.Flow-20201207104500"
         ]
-    },
-    "authors": [
-        {
-            "name": "Ferdinand Kuhl",
-            "email": "f.kuhl@digital-competence.de",
-            "homepage": "https://www.digital-competence.de",
-            "role": "Developer"
-        }
-    ],
-    "license": "MIT",
-    "homepage": "https://github.com/digital-competence/FlowSessionLock",
-    "keywords": [
-        "Neos",
-        "Flow"
-    ]
+    }
 }