diff --git a/composer.json b/composer.json
index 99dca01..162a41c 100644
--- a/composer.json
+++ b/composer.json
@@ -2,6 +2,16 @@
 	"name": "typo3/cms-base-distribution",
 	"description" : "TYPO3 CMS Base Distribution",
 	"license": "GPL-2.0-or-later",
+	"repositories": {
+        "0": {
+            "type": "path",
+            "url": "Packages/*"
+        },
+        "composer": {
+            "type": "composer",
+            "url": "https://composer.typo3.org/"
+        }
+    },
 	"config": {
 		"platform": {
 			"php": "7.2"
@@ -9,6 +19,7 @@
 		"sort-packages": true
 	},
 	"require": {
+		"chrosey/sitepackage": "@dev",
 		"helhum/typo3-console": "^6.0.0",
 		"typo3/cms-about": "^10.4",
 		"typo3/cms-backend": "^10.4",
diff --git a/composer.lock b/composer.lock
index 8c7385c..1e3bc8d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,34 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "bec96ff534ec8956831f4df0a906b190",
+    "content-hash": "045a2f6f811c7d096f5b4e86498a4587",
     "packages": [
+        {
+            "name": "chrosey/sitepackage",
+            "version": "dev-master",
+            "dist": {
+                "type": "path",
+                "url": "Packages/sitepackage",
+                "reference": "4802589e38e903cf250bd5ada14da7a9fac934c0"
+            },
+            "type": "typo3-cms-extension",
+            "autoload": {
+                "psr-4": {
+                    "Chrosey\\Sitepackage\\": "Classes/"
+                }
+            },
+            "license": [
+                "GPL-2.0-or-later"
+            ],
+            "description": "Sitepackage for Typo3 v10",
+            "homepage": "https://chrosey.de",
+            "keywords": [
+                "TYPO3 CMS"
+            ],
+            "transport-options": {
+                "relative": true
+            }
+        },
         {
             "name": "cogpowered/finediff",
             "version": "0.3.1",
@@ -5691,7 +5717,9 @@
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "chrosey/sitepackage": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],