diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..dd2af8a
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,33 @@
+{
+    "name": "belevo/enelix-ems",
+    "description": "Energiemanagement und steuerbare Verbraucher fuer IP-Symcon",
+    "type": "library",
+    "require": {
+        "php": ">=8.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.6"
+    },
+    "autoload": {
+        "psr-4": {
+            "Belevo\\EnelixEMS\\": "libs/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Belevo\\EnelixEMS\\Tests\\": "tests/"
+        }
+    },
+    "scripts": {
+        "lint": "find . -path ./vendor -prune -o -name '*.php' -print0 | xargs -0 -n1 php -l",
+        "test": "phpunit",
+        "check": [
+            "@lint",
+            "@test"
+        ]
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
+