diff --git a/package.json b/package.json
index fc705e0..0484efd 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "abort-controller",
   "version": "3.0.0",
   "description": "An implementation of WHATWG AbortController interface.",
+  "types": "dist/abort-controller.d.ts",
   "main": "dist/abort-controller",
   "files": [
     "dist",