diff --git a/types/three/package.json b/types/three/package.json
index c048baca2..142bed464 100644
--- a/types/three/package.json
+++ b/types/three/package.json
@@ -1,5 +1,6 @@
 {
     "private": true,
+    "type": "module",
     "exports": {
         ".": {
             "import": "./build/three.module.js",