diff --git a/package.json b/package.json
index 7e0c2849..e0cce7b2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@internxt/sdk",
   "author": "Internxt <hello@internxt.com>",
-  "version": "1.20.2",
+  "version": "1.21.0",
   "description": "An sdk for interacting with Internxt's services",
   "repository": {
     "type": "git",
diff --git a/src/auth/index.ts b/src/auth/index.ts
index 1a9c7c7b..c5618c6d 100644
--- a/src/auth/index.ts
+++ b/src/auth/index.ts
@@ -230,6 +230,34 @@ export class Auth {
     );
   }
 
+  /**
+   * Tries to log in a user with Argon2
+   * @param email - The user email address
+   * @param passwordHash - The argon2id hash of the user's password
+   * @param tfaCode - The 2 factor authentication code (if 2FA is enabled)
+   */
+  public loginArgon2(
+    email: string,
+    passwordHash: string,
+    tfaCode?: string,
+  ): Promise<{
+    token: Token;
+    user: UserSettings;
+  }> {
+    return this.client.post<{
+      token: Token;
+      user: UserSettings;
+    }>(
+      '/auth/v2/login/access',
+      {
+        email,
+        passwordHash,
+        tfa: tfaCode,
+      },
+      this.basicHeaders(),
+    );
+  }
+
   /**
    * Tries to log in a user given its cli login details
    * @param details
@@ -330,6 +358,7 @@ export class Auth {
       .post<{
         sKey: string;
         tfa: boolean | null;
+        saltArgon2: string;
       }>(
         '/auth/login',
         {
@@ -341,6 +370,7 @@ export class Auth {
         return {
           encryptedSalt: data.sKey,
           tfaEnabled: data.tfa === true,
+          saltArgon2: data.saltArgon2,
         };
       });
   }
diff --git a/src/auth/types.ts b/src/auth/types.ts
index 3a3ea8fe..ad2bb8e2 100644
--- a/src/auth/types.ts
+++ b/src/auth/types.ts
@@ -65,6 +65,7 @@ export class UserAccessError extends Error {}
 export interface SecurityDetails {
   encryptedSalt: string;
   tfaEnabled: boolean;
+  saltArgon2: string;
 }
 
 export interface TwoFactorAuthQR {
diff --git a/src/drive/users/index.ts b/src/drive/users/index.ts
index 7d31bcd7..6bd2ea7d 100644
--- a/src/drive/users/index.ts
+++ b/src/drive/users/index.ts
@@ -17,6 +17,7 @@ import {
   UserPublicKeyResponse,
   UserPublicKeyWithCreationResponse,
   VerifyEmailChangeResponse,
+  ChangePasswordArgon2Payload,
 } from './types';
 
 export * as UserTypes from './types';
@@ -159,6 +160,27 @@ export class Users {
     );
   }
 
+  /**
+   * Updates the authentication credentials with argon2 and invalidates previous tokens
+   * @param payload
+   *
+   * @returns {Promise<string>} A promise that returns new tokens for this user.
+   */
+  public changePasswordArgon2(payload: ChangePasswordArgon2Payload): Promise<string> {
+    return this.client.patch(
+      '/users/v2/password',
+      {
+        currentPasswordHash: payload.currentPasswordHash,
+        newPasswordHash: payload.newPasswordHash,
+        newSalt: payload.newSalt,
+        encryptedMnemonic: payload.encryptedMnemonic,
+        encryptedPrivateKey: payload.keys.encryptedPrivateKey,
+        encryptedPrivateKyberKey: payload.keys.encryptedPrivateKyberKey,
+      },
+      this.headers(),
+    );
+  }
+
   /**
    * Pre registers an email
    * @param email
diff --git a/src/drive/users/types.ts b/src/drive/users/types.ts
index 6921fec5..5828ee2f 100644
--- a/src/drive/users/types.ts
+++ b/src/drive/users/types.ts
@@ -25,6 +25,17 @@ export interface ChangePasswordPayload {
   encryptedPrivateKey: string;
 }
 
+export interface ChangePasswordArgon2Payload {
+  currentPasswordHash: string;
+  newPasswordHash: string;
+  newSalt: string;
+  encryptedMnemonic: string;
+  keys: {
+    encryptedPrivateKey: string;
+    encryptedPrivateKyberKey: string;
+  };
+}
+
 export interface ChangePasswordPayloadNew {
   currentEncryptedPassword: string;
   newEncryptedPassword: string;