diff --git a/package.json b/package.json
index f572c33..c1fd321 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lemmy-js-client",
-  "version": "0.17.2-rc.1",
+  "version": "0.17.2-rc.3",
   "description": "A javascript / typescript client for Lemmy",
   "repository": "https://github.com/LemmyNet/lemmy-js-client",
   "license": "AGPL-3.0",
diff --git a/src/interfaces/api/person.ts b/src/interfaces/api/person.ts
index 81dfc69..7210955 100644
--- a/src/interfaces/api/person.ts
+++ b/src/interfaces/api/person.ts
@@ -13,6 +13,10 @@ import {
 export interface Login {
   username_or_email: string;
   password: string;
+  /**
+   * If your user has 2fa set up, they must provide the token, otherwise you will receive the error "missing_totp_token"
+   */
+  totp_2fa_token?: string;
 }
 
 /**
@@ -103,6 +107,15 @@ export interface SaveUserSettings {
   show_read_posts?: boolean;
   show_new_post_notifs?: boolean;
   discussion_languages?: number[];
+  /**
+   * If this is set to true, lemmy will generate or regenerate a 2-factor (totp) authentication secret.
+   * You can then use the `totp_2fa_url` from [[LocalUserSettings]] to set up your authenticator app.
+   *
+   * If this is set to false, it will remove 2-factor for your account.
+   *
+   * If this is undefined, it leaves your 2-factor setup as is.
+   */
+  generate_totp_2fa?: boolean;
   auth: string;
 }
 
diff --git a/src/interfaces/source.ts b/src/interfaces/source.ts
index 404b348..97a1ba4 100644
--- a/src/interfaces/source.ts
+++ b/src/interfaces/source.ts
@@ -16,6 +16,10 @@ export interface LocalUserSettings {
   show_new_post_notifs: boolean;
   email_verified: boolean;
   accepted_application: boolean;
+  /**
+   * An installation url for your 2-factor authenticator app.
+   */
+  totp_2fa_url?: string;
 }
 
 export interface PersonSafe {