diff --git a/composer.json b/composer.json
new file mode 100644
index 000000000..311c47fe2
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,99 @@
+{
+    "name": "seeddms/dms",
+    "description": "Open Source Document Management System",
+    "type": "project",
+    "license": "GPL 2",
+    "authors": [
+        {
+            "name": "Uwe Steinmann",
+            "email": "steinm@debian.org"
+        }
+    ],
+    "minimum-stability": "stable",
+    "config": {
+        "platform": {
+            "php": "8.2"
+        }
+    },
+    "require": {
+        "php": ">=8.2.0",
+        "phing/phing": "2.*",
+        "pear/http_request2": "2.5.0",
+        "robthree/twofactorauth": "^3.0",
+        "php-mime-mail-parser/php-mime-mail-parser": "*",
+        "slim/slim": "^4.0",
+        "guzzlehttp/psr7": "*",
+        "erusev/parsedown": "*",
+        "erusev/parsedown-extra": "*",
+        "mibe/feedwriter": "^1.1",
+        "phpoffice/phpspreadsheet": "*",
+        "sabre/xml": "*",
+        "sabre/dav": "^4.",
+        "pear/log": "*",
+        "pear/mail": "*",
+        "pear/mail_mime": "*",
+        "pear/net_smtp": "*",
+        "pear/auth_sasl": "*",
+        "pear/db": "*",
+        "dragonmantank/cron-expression": "^3.1",
+        "alecrabbit/php-console-colour": "*",
+        "zf1/zend-search-lucene": "*",
+        "symfony/http-foundation": "^5.4",
+        "php-di/php-di": "^6.4",
+        "slim/psr7": "^1.7",
+        "bacon/bacon-qr-code": "^3.0",
+        "seeddms/core": "dev-master",
+        "seeddms/lucene": "dev-master",
+        "seeddms/preview": "dev-master",
+        "seeddms/sqlitefts": "dev-master",
+        "seeddms/http_webdav_server": "dev-master"
+    },
+    "require-dev": {
+        "composer/composer": "dev-main",
+        "behat/mink": "1.8.1",
+        "behat/mink-selenium2-driver": "1.4.0",
+        "dmore/chrome-mink-driver": "2.8.0",
+        "friendsofphp/php-cs-fixer": "3.1.0",
+        "phpunit/phpunit": "9.5.9",
+        "sebastian/phpcpd": "6.0.3",
+        "squizlabs/php_codesniffer": "3.6.0",
+        "phpstan/phpstan": "^2.1"
+    },
+    "repositories": [
+        {
+            "type": "path",
+            "url": "../seeddms-ext/core",
+            "options": {
+                "symlink": false
+            }
+        },
+        {
+            "type": "path",
+            "url": "../seeddms-ext/lucene",
+            "options": {
+                "symlink": false
+            }
+        },
+        {
+            "type": "path",
+            "url": "../seeddms-ext/preview",
+            "options": {
+                "symlink": false
+            }
+        },
+        {
+            "type": "path",
+            "url": "../seeddms-ext/sqlitefts",
+            "options": {
+                "symlink": false
+            }
+        },
+        {
+            "type": "path",
+            "url": "../seeddms-ext/http_webdav_server",
+            "options": {
+                "symlink": false
+            }
+        }
+    ]
+}