diff --git a/package.json b/package.json
index 55bee4f..6e1fce8 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "files": [
     "*.js",
-    "lib/*.js",
+    "lib/**/*.js",
     "compat/*.js"
   ],
   "engines": {