diff --git a/package.json b/package.json
index aa3194becb..66555a39b4 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "type": "git",
     "url": "https://github.com/0xProject/0x.js"
   },
-  "license": "Apache 2.0",
+  "license": "Apache-2.0",
   "engines": {
     "node": ">=6.0.0"
   },