diff --git a/package.json b/package.json
index 25a42d8..faa14c9 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "1.2.0",
   "description": "externally exposed resolve/reject api for native promises",
   "main": "./lib/index.js",
+  "types": "./lib/index.d.ts",
   "directories": {
     "test": "test"
   },
diff --git a/src/index.d.ts b/src/index.d.ts
new file mode 100644
index 0000000..5a399dd
--- /dev/null
+++ b/src/index.d.ts
@@ -0,0 +1,8 @@
+declare module "empty-promise" {
+  export interface EmptyPromise<T = any> extends Promise<T> {
+    resolve(t?: T): Promise<T>;
+    reject(e: any): Promise<T>;
+    done(): boolean;
+  }
+  export default function emptyPromise<T>(): EmptyPromise<T>;
+}