diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..ece7738
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,19 @@
+{
+    "name": "creocoder/nested-set-behavior-2",
+    "description": "AR models behavior that allows to work with nested sets tree.",
+    "keywords": ["yii2", "extension", "nested set"],
+    "homepage": "https://github.com/yiiext/nested-set-behavior-2",
+    "type": "yii2-extension",
+    "license": "BSD-3-Clause",
+    "authors": [
+        {
+            "name": "Alexander Kochetov",
+            "email": "creocoder@gmail.com"
+        }
+    ],
+    "minimum-stability": "dev",
+    "require": {
+        "php": ">=5.3.0",
+        "yiisoft/yii2": "master"
+    }
+}