diff --git a/composer.json b/composer.json
index fdb31bb..5c1feea 100644
--- a/composer.json
+++ b/composer.json
@@ -34,5 +34,6 @@
     },
     "scripts": {
         "test": "vendor/bin/phpunit"
-    }
+    },
+    "license": "MIT"
 }