diff --git a/package.json b/package.json
index 5ceff66..ffd94a2 100755
--- a/package.json
+++ b/package.json
@@ -5,6 +5,11 @@
   "main": "dist/lexer.cjs",
   "module": "dist/lexer.js",
   "types": "types/lexer.d.ts",
+  "exports": {
+    "module" "./dist/lexer.js",
+    "import": "./dist/lexer.js",
+    "require": "./dist/lexer.cjs"
+  },
   "scripts": {
     "test": "NODE_OPTIONS=\"--experimental-modules\" mocha -b -u tdd test/*.cjs",
     "build": "node --experimental-modules build.js && babel dist/lexer.js | terser -o dist/lexer.cjs",