diff --git a/types/superagent/index.d.ts b/types/superagent/index.d.ts
index c07d2fff1c..ffedf346ff 100644
--- a/types/superagent/index.d.ts
+++ b/types/superagent/index.d.ts
@@ -5,6 +5,7 @@
 //                 Pap Lőrinc <https://github.com/paplorinc>
 //                 Shrey Jain <https://github.com/shreyjain1994>
 //                 Alec Zopf <https://github.com/zopf>
+//                 Adam Haglund <https://github.com/beeequeue>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
@@ -118,7 +119,8 @@ declare namespace request {
         abort(): void;
         accept(type: string): this;
         attach(field: string, file: MultipartValueSingle, options?: string | { filename?: string; contentType?: string }): this;
-        auth(user: string, name: string): this;
+        auth(user: string, pass: string, options?: { type: 'basic' | 'auto' }): this;
+        auth(token: string, options: { type: 'bearer' }): this;
         buffer(val?: boolean): this;
         ca(cert: Buffer): this;
         cert(cert: Buffer | string): this;
diff --git a/types/superagent/superagent-tests.ts b/types/superagent/superagent-tests.ts
index 0c4b51f31e..c063c819be 100644
--- a/types/superagent/superagent-tests.ts
+++ b/types/superagent/superagent-tests.ts
@@ -230,13 +230,29 @@ const reqCookies: string = req.cookies;
 
 console.log(`${reqMethod} request to ${reqUrl} cookies ${reqCookies}`);
 
-// Basic authentication
+// Authentication
 request.get('http://tobi:learnboost@local').end(callback);
+
 request
     .get('http://local')
     .auth('tobo', 'learnboost')
     .end(callback);
 
+request
+    .get('http://local')
+    .auth('user', 'pass', { type: 'basic' })
+    .end(callback);
+
+request
+    .get('http://local')
+    .auth('user', 'pass', {type: 'auto'})
+    .end(callback);
+
+request
+    .get('http://local')
+    .auth('abearertoken', { type: 'bearer' })
+    .end(callback);
+
 // Following redirects
 request
     .get('/some.png')