diff --git a/package.json b/package.json
index 2aea558..4ba7146 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
   "files": [
     "lib/*",
     "WAProto/*",
-    "WASignalGroup/*.js"
+    "WASignalGroup/*.js",
+    "engine-requirements.js"
   ],
   "scripts": {
     "build:all": "tsc && typedoc",