diff --git a/cozo-lib-nodejs/package.json b/cozo-lib-nodejs/package.json
index 5f601f3a..9474fa91 100644
--- a/cozo-lib-nodejs/package.json
+++ b/cozo-lib-nodejs/package.json
@@ -3,8 +3,10 @@
   "version": "0.6.0",
   "description": "Cozo database for NodeJS",
   "main": "index",
+  "types": "index.d.ts",
   "files": [
     "index.js",
+    "index.d.ts",
     "LICENSE.txt"
   ],
   "binary": {
@@ -43,4 +45,4 @@
   "dependencies": {
     "@mapbox/node-pre-gyp": "^1.0.10"
   }
-}
\ No newline at end of file
+}