diff --git a/composer.json b/composer.json
index 0467e37..a08f3e9 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,7 @@
     }
   ],
   "description": "Pure PHP implementation of SOAP 1.1 and 1.2 server",
+  "license": "MIT",
   "require": {
     "php": "^7.2",
     "rybakit/arguments-resolver": "^0.5.0",