diff --git a/package.json b/package.json
index 6c7f1dd..28fa0e7 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,9 @@
   "main": "dist/index.js",
   "module": "dist/index.js",
   "types": "dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
   "scripts": {
     "antlr4": "node build/antlr4.js",
     "build": "rm -rf dist && tsc",