diff --git a/package.json b/package.json
index e49fe07..c9ed439 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
   "exports": {
     ".": {
       "import": "./build/threejs-math.module.js",
-      "require": "./build/threejs-math.cjs"
+      "require": "./build/threejs-math.cjs",
+      "types": "./types/index.d.ts"
     }
   },
   "sideEffects": false,