diff --git a/src/GoTrueClient.ts b/src/GoTrueClient.ts
index 87b81b2c9..fd1e90235 100644
--- a/src/GoTrueClient.ts
+++ b/src/GoTrueClient.ts
@@ -12,7 +12,14 @@ import {
   isAuthError,
   isAuthRetryableFetchError,
 } from './lib/errors'
-import { Fetch, _request, _sessionResponse, _userResponse, _ssoResponse } from './lib/fetch'
+import {
+  Fetch,
+  _request,
+  _sessionResponse,
+  _sessionResponsePassword,
+  _userResponse,
+  _ssoResponse,
+} from './lib/fetch'
 import {
   decodeJWTPayload,
   Deferred,
@@ -37,7 +44,9 @@ import { LockAcquireTimeoutError } from './lib/locks'
 import type {
   AuthChangeEvent,
   AuthResponse,
+  AuthResponsePassword,
   AuthTokenResponse,
+  AuthTokenResponsePassword,
   AuthOtpResponse,
   CallRefreshTokenResult,
   GoTrueClientOptions,
@@ -78,6 +87,7 @@ import type {
   AuthFlowType,
   LockFunc,
   UserIdentity,
+  WeakPassword,
 } from './lib/types'
 
 polyfillGlobalThis() // Make "globalThis" available
@@ -430,11 +440,13 @@ export default class GoTrueClient {
    * email/phone and password combination is wrong or that the account can only
    * be accessed via social login.
    */
-  async signInWithPassword(credentials: SignInWithPasswordCredentials): Promise<AuthTokenResponse> {
+  async signInWithPassword(
+    credentials: SignInWithPasswordCredentials
+  ): Promise<AuthTokenResponsePassword> {
     try {
       await this._removeSession()
 
-      let res: AuthResponse
+      let res: AuthResponsePassword
       if ('email' in credentials) {
         const { email, password, options } = credentials
         res = await _request(this.fetch, 'POST', `${this.url}/token?grant_type=password`, {
@@ -444,7 +456,7 @@ export default class GoTrueClient {
             password,
             gotrue_meta_security: { captcha_token: options?.captchaToken },
           },
-          xform: _sessionResponse,
+          xform: _sessionResponsePassword,
         })
       } else if ('phone' in credentials) {
         const { phone, password, options } = credentials
@@ -455,7 +467,7 @@ export default class GoTrueClient {
             password,
             gotrue_meta_security: { captcha_token: options?.captchaToken },
           },
-          xform: _sessionResponse,
+          xform: _sessionResponsePassword,
         })
       } else {
         throw new AuthInvalidCredentialsError(
@@ -473,7 +485,14 @@ export default class GoTrueClient {
         await this._saveSession(data.session)
         await this._notifyAllSubscribers('SIGNED_IN', data.session)
       }
-      return { data: { user: data.user, session: data.session }, error }
+      return {
+        data: {
+          user: data.user,
+          session: data.session,
+          ...(data.weak_password ? { weakPassword: data.weak_password } : null),
+        },
+        error,
+      }
     } catch (error) {
       if (isAuthError(error)) {
         return { data: { user: null, session: null }, error }
diff --git a/src/lib/errors.ts b/src/lib/errors.ts
index 5c1352268..2e4336e22 100644
--- a/src/lib/errors.ts
+++ b/src/lib/errors.ts
@@ -1,3 +1,5 @@
+import { WeakPasswordReasons } from './types'
+
 export class AuthError extends Error {
   status: number | undefined
   protected __isAuthError = true
@@ -134,7 +136,7 @@ export class AuthWeakPasswordError extends CustomAuthError {
   /**
    * Reasons why the password is deemed weak.
    */
-  reasons: ('length' | 'characters' | 'pwned' | string)[]
+  reasons: WeakPasswordReasons[]
 
   constructor(message: string, status: number, reasons: string[]) {
     super(message, 'AuthWeakPasswordError', status)
diff --git a/src/lib/fetch.ts b/src/lib/fetch.ts
index 7a63d1834..3bc4ef57b 100644
--- a/src/lib/fetch.ts
+++ b/src/lib/fetch.ts
@@ -1,6 +1,7 @@
 import { expiresAt, looksLikeFetchResponse } from './helpers'
 import {
   AuthResponse,
+  AuthResponsePassword,
   SSOResponse,
   GenerateLinkProperties,
   GenerateLinkResponse,
@@ -174,6 +175,25 @@ export function _sessionResponse(data: any): AuthResponse {
   return { data: { session, user }, error: null }
 }
 
+export function _sessionResponsePassword(data: any): AuthResponsePassword {
+  const response = _sessionResponse(data) as AuthResponsePassword
+
+  if (
+    !response.error &&
+    data.weak_password &&
+    typeof data.weak_password === 'object' &&
+    Array.isArray(data.weak_password.reasons) &&
+    data.weak_password.reasons.length &&
+    data.weak_password.message &&
+    typeof data.weak_password.message === 'string' &&
+    data.weak_password.reasons.reduce((a: boolean, i: any) => a && typeof i === 'string', true)
+  ) {
+    response.data.weak_password = data.weak_password
+  }
+
+  return response
+}
+
 export function _userResponse(data: any): UserResponse {
   const user: User = data.user ?? (data as User)
   return { data: { user }, error: null }
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 07f080d7e..fbe30a6f1 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -82,6 +82,12 @@ export type GoTrueClientOptions = {
   lock?: LockFunc
 }
 
+export type WeakPasswordReasons = 'length' | 'characters' | 'pwned' | string
+export type WeakPassword = {
+  reasons: WeakPasswordReasons[]
+  message: string
+}
+
 export type AuthResponse =
   | {
       data: {
@@ -98,6 +104,23 @@ export type AuthResponse =
       error: AuthError
     }
 
+export type AuthResponsePassword =
+  | {
+      data: {
+        user: User | null
+        session: Session | null
+        weak_password?: WeakPassword | null
+      }
+      error: null
+    }
+  | {
+      data: {
+        user: null
+        session: null
+      }
+      error: AuthError
+    }
+
 /**
  * AuthOtpResponse is returned when OTP is used.
  *
@@ -129,6 +152,24 @@ export type AuthTokenResponse =
       error: AuthError
     }
 
+export type AuthTokenResponsePassword =
+  | {
+      data: {
+        user: User
+        session: Session
+        weakPassword?: WeakPassword
+      }
+      error: null
+    }
+  | {
+      data: {
+        user: null
+        session: null
+        weakPassword?: null
+      }
+      error: AuthError
+    }
+
 export type OAuthResponse =
   | {
       data: {