diff --git a/node/node.d.ts b/node/node.d.ts
index 282120dc6..4140a8c4b 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -1110,7 +1110,7 @@ declare module "crypto" {
         setPrivateKey(public_key: string, encoding?: string): void;
     }
     export function getDiffieHellman(group_name: string): DiffieHellman;
-    export function pbkdf2(password: string, salt: string, iterations: number, keylen: number, callback: (err: Error, derivedKey: string) => any): void;
+    export function pbkdf2(password: string, salt: string, iterations: number, keylen: number, callback: (err: Error, derivedKey: Buffer) => any): void;
     export function pbkdf2Sync(password: string, salt: string, iterations: number, keylen: number) : Buffer;
     export function randomBytes(size: number): Buffer;
     export function randomBytes(size: number, callback: (err: Error, buf: Buffer) =>void ): void;
@@ -1121,6 +1121,10 @@ declare module "crypto" {
 declare module "stream" {
     import events = require("events");
 
+    export interface Stream extends events.EventEmitter {
+        pipe<T extends NodeJS.WritableStream>(destination: T, options?: { end?: boolean; }): T;
+    }
+
     export interface ReadableOptions {
         highWaterMark?: number;
         encoding?: string;
diff --git a/passport/passport.d.ts b/passport/passport.d.ts
index 6d03093eb..977323140 100644
--- a/passport/passport.d.ts
+++ b/passport/passport.d.ts
@@ -8,6 +8,7 @@
 declare module Express {
     export interface Request {
         session?: any;
+        authInfo?: any;
 
         // These declarations are merged into express's Request type
         login(user: any, done: (err: any) => void): void;
diff --git a/request/request-tests.ts b/request/request-tests.ts
index d422c3abc..986702c27 100644
--- a/request/request-tests.ts
+++ b/request/request-tests.ts
@@ -114,7 +114,8 @@ req = req.oauth(oauth);
 req = req.jar(jar);
 write = req.pipe(write);
 write = req.pipe(write, value);
-req.write();
+req.pipe(req);
+req.write(value);
 req.end(str);
 req.end(buffer);
 req.pause();
diff --git a/request/request.d.ts b/request/request.d.ts
index e6a1d100e..fc03a7e19 100644
--- a/request/request.d.ts
+++ b/request/request.d.ts
@@ -91,7 +91,10 @@ declare module 'request' {
 			body: any;
 		}
 
-		export interface Request {
+		export interface Request extends stream.Stream {
+			readable: boolean;
+			writable: boolean;
+
 			getAgent(): http.Agent;
 			//start(): void;
 			//abort(): void;
@@ -107,10 +110,14 @@ declare module 'request' {
 			oauth(oauth: OAuthOptions): Request;
 			jar(jar: CookieJar): Request;
 
-			pipe(dest: stream.Writable, opts?: any): stream.Writable;
-			write(): void;
-			end(chunk: string): void;
-			end(chunk: NodeBuffer): void;
+			write(buffer: Buffer, cb?: Function): boolean;
+			write(str: string, cb?: Function): boolean;
+			write(str: string, encoding: string, cb?: Function): boolean;
+			write(str: string, encoding?: string, fd?: string): boolean;
+			end(): void;
+			end(chunk: Buffer, cb?: Function): void;
+			end(chunk: string, cb?: Function): void;
+			end(chunk: string, encoding: string, cb?: Function): void;
 			pause(): void;
 			resume(): void;
 			abort(): void;