diff --git a/composer.json b/composer.json
index f350c2c..8bb5c7e 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "autoload": {
         "files": ["autoload.php"]
     },
-    "license": "Public Domain",
+    "license": "PDDL-1.0",
     "require": {
         "php": ">=5.3.0",
         "lib-libxml" : "*",