diff --git a/promisify-supertest/promisify-supertest-tests.ts b/promisify-supertest/promisify-supertest-tests.ts
new file mode 100644
index 0000000000..cef9173b18
--- /dev/null
+++ b/promisify-supertest/promisify-supertest-tests.ts
@@ -0,0 +1,18 @@
+/// <reference path="promisify-supertest.d.ts" />
+/// <reference path="../express/express.d.ts" />
+
+import * as request from 'promisify-supertest';
+import * as express from 'express';
+
+let app = express();
+
+request(app)
+	.get('/')
+  .expect(200)
+	.end()
+	.then(function(res) {
+    // blah blah blah
+  })
+	.catch(function(err) {
+    throw err;
+  });
diff --git a/promisify-supertest/promisify-supertest.d.ts b/promisify-supertest/promisify-supertest.d.ts
new file mode 100644
index 0000000000..dd9c703b42
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+++ b/promisify-supertest/promisify-supertest.d.ts
@@ -0,0 +1,45 @@
+// Type definitions for promisify-supertest v1.0.0
+// Project: https://www.npmjs.com/package/promisify-supertest
+// Definitions by: Leo Liang <https://github.com/aleung/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path='../superagent/superagent.d.ts' />
+/// <reference path="../express/express.d.ts" />
+
+declare module 'promisify-supertest' {
+  // Mostly copy-pasted from supertest.d.ts
+
+  import * as superagent from 'superagent';
+  import * as express from 'express';
+
+  type CallbackHandler = (err: any, res: supertest.Response) => void;
+
+  function supertest(app: express.Express): supertest.SuperTest;
+
+  module supertest {
+    function agent(app?: any): supertest.SuperTest;
+
+    interface SuperTest extends superagent.SuperAgent<Test> {
+    }
+
+    interface Test extends superagent.Request<Test> {
+      url: string;
+      serverAddress(app: any, path: string): string;
+      expect(status: number, callback?: CallbackHandler): Test;
+      expect(status: number, body: string, callback?: CallbackHandler): Test;
+      expect(body: string, callback?: CallbackHandler): Test;
+      expect(body: RegExp, callback?: CallbackHandler): Test;
+      expect(body: Object, callback?: CallbackHandler): Test;
+      expect(field: string, val: string, callback?: CallbackHandler): Test;
+      expect(field: string, val: RegExp, callback?: CallbackHandler): Test;
+      expect(checker: (res: Response) => any): Test;
+      end(callback: CallbackHandler): Test;
+      end(): Promise<Response>;
+    }
+
+    interface Response extends superagent.Response {
+    }
+  }
+
+  export = supertest;
+}