diff --git a/types/simple-oauth2/index.d.ts b/types/simple-oauth2/index.d.ts
index 8091a56f2d..8c60a38139 100644
--- a/types/simple-oauth2/index.d.ts
+++ b/types/simple-oauth2/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for simple-oauth2 2.2
+// Type definitions for simple-oauth2 2.5
 // Project: https://github.com/lelylan/simple-oauth2
 // Definitions by: Michael Müller <https://github.com/mad-mike>,
 //                 Troy Lamerton <https://github.com/troy-lamerton>
@@ -76,6 +76,8 @@ export interface AuthorizationTokenConfig {
     code: AuthorizationCode;
     /** A string that represents the callback uri */
     redirect_uri: string;
+    /** A string or array of strings that represents the application privileges */
+    scope: string | string[];
 }
 
 export interface PasswordTokenConfig {
@@ -92,6 +94,27 @@ export interface ClientCredentialTokenConfig {
     scope?: string | string[];
 }
 
+export interface WreckHttpOptions {
+	baseUrl?: string;
+	socketPath?: string;
+	payload?: any;
+	headers?: { [key: string]: any };
+	redirects?: number;
+	redirect303?: boolean;
+	beforeRedirect?: (redirectMethod: string, statusCode: number, location: string, resHeaders: { [key: string]: any }, redirectOptions: any, next: () => {}) => void;
+	redirected?: (statusCode: number, location: string, req: any) => void;
+	timeout?: number;
+	maxBytes?: number;
+	rejectUnauthorized?: boolean;
+	downstreamRes?: any;
+	agent?: any;
+	secureProtocol?: string;
+	ciphers?: string;
+	events?: boolean;
+	json?: true | "strict" | "force";
+	gunzip?: boolean | "force";
+}
+
 export interface OAuthClient<ClientIdName extends string = 'client_id'> {
     authorizationCode: {
         /**
@@ -113,21 +136,21 @@ export interface OAuthClient<ClientIdName extends string = 'client_id'> {
         ): string,
 
         /** Returns the Access Token object */
-        getToken(params: AuthorizationTokenConfig): Promise<Token>;
+        getToken(params: AuthorizationTokenConfig, httpOptions?: WreckHttpOptions): Promise<Token>;
     };
 
     ownerPassword: {
         /** Returns the Access Token Object */
-        getToken(params: PasswordTokenConfig): Promise<Token>;
+        getToken(params: PasswordTokenConfig, httpOptions?: WreckHttpOptions): Promise<Token>;
     };
 
     clientCredentials: {
         /** Returns the Access Token Object */
-        getToken(params: ClientCredentialTokenConfig): Promise<Token>;
+        getToken(params: ClientCredentialTokenConfig, httpOptions?: WreckHttpOptions): Promise<Token>;
     };
 
     accessToken: {
         /** Creates an OAuth2.AccessToken instance */
-        create(tokenToUse: Token): AccessToken;
+        create(tokenToUse: Token, httpOptions?: WreckHttpOptions): AccessToken;
     };
 }