diff --git a/package.json b/package.json
index a66a3b1988..1456af539a 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "1.9.0",
   "description": "Lightweight, robust, elegant syntax highlighting. A spin-off project from Dabblet.",
   "main": "prism.js",
+  "style": "themes/prism.css",
   "scripts": {
     "test": "mocha tests/testrunner-tests.js && mocha tests/run.js"
   },
@@ -43,4 +44,4 @@
       "prism.js"
     ]
   }
-}
\ No newline at end of file
+}