diff --git a/package.json b/package.json
index d336ae5..9e51c8a 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,10 @@
   "browser": "rbush.min.js",
   "jsdelivr": "rbush.min.js",
   "unpkg": "rbush.min.js",
+  "exports": {
+    "import": "./index.js",
+    "require":  "./rbush.min.js"
+  },
   "devDependencies": {
     "@rollup/plugin-buble": "^0.21.1",
     "@rollup/plugin-node-resolve": "^7.1.1",