diff --git a/composer.json b/composer.json
index ea6293d..25392c2 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Internationalisation made simple",
     "type": "library",
     "keywords": [ ],
-    "license": "proprietary",
+    "license": "MIT",
     "authors": [ {
             "name": "Tom Wright",
             "email": "tom@inflatablecookie.com"