diff --git a/types/auth0-js/auth0-js-tests.ts b/types/auth0-js/auth0-js-tests.ts
index d05ee2251e..79277e04c9 100644
--- a/types/auth0-js/auth0-js-tests.ts
+++ b/types/auth0-js/auth0-js-tests.ts
@@ -9,7 +9,8 @@ webAuth.authorize({
     audience: 'https://mystore.com/api/v2',
     scope: 'read:order write:order',
     responseType: 'token',
-    redirectUri: 'https://example.com/auth/callback'
+    redirectUri: 'https://example.com/auth/callback',
+	language: 'en'
 });
 
 webAuth.parseHash((err, authResult) => {
diff --git a/types/auth0-js/index.d.ts b/types/auth0-js/index.d.ts
index c7224599bd..62047bae71 100644
--- a/types/auth0-js/index.d.ts
+++ b/types/auth0-js/index.d.ts
@@ -760,6 +760,7 @@ export interface AuthorizeOptions {
     nonce?: string;
     scope?: string;
     audience?: string;
+	language?: string;
 }
 
 export interface CheckSessionOptions extends AuthorizeOptions {