diff --git a/composer.json b/composer.json
index cb7bcab..fd996a8 100644
--- a/composer.json
+++ b/composer.json
@@ -4,6 +4,7 @@
             "Median\\": "src/Median"
         }
     },
+    "license": "MIT",
     "require": {
         "phpspec/phpspec": "^3.0"
     },