diff --git a/package.json b/package.json
index 81a5d35..75992b7 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   "license": "ISC",
   "bugs": { "url": "https://github.com/lapo-luchini/asn1js/issues" },
   "homepage": "https://lapo.it/asn1js/",
+  "files": [ "asn1.js", "base64.js", "hex.js", "int10.js", "oids.js" ],
   "eslintConfig": {
     "env": {
       "browser": true,