diff --git a/package-lock.json b/package-lock.json
index 71b18af..0526a3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "configcat-react",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "configcat-react",
-      "version": "5.0.2",
+      "version": "5.0.3",
       "license": "MIT",
       "dependencies": {
         "@configcat/sdk": "^1.0.2",
diff --git a/package.json b/package.json
index e755b5e..10ca646 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "configcat-react",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "scripts": {
     "build": "npm run build:esm && npm run build:cjs",
     "build:esm": "tsc -p tsconfig.build.esm.json && gulp esm",
diff --git a/sandbox/src/stories/Hoc.tsx b/sandbox/src/stories/Hoc.tsx
index b95889a..4ce418b 100644
--- a/sandbox/src/stories/Hoc.tsx
+++ b/sandbox/src/stories/Hoc.tsx
@@ -1,12 +1,12 @@
 import React, { useState } from 'react';
-import { ConfigCatProvider, LogLevel, withConfigCatClient, type WithConfigCatClientProps, User } from 'configcat-react';
+import { ConfigCatProvider, LogLevel, withConfigCatClient, type WithConfigCatClientProps, type IUser } from 'configcat-react';
 
 
 export class HocComponent extends React.Component<
-  { featureFlagKey: string, user?: User } & WithConfigCatClientProps,
+  { featureFlagKey: string, user?: IUser } & WithConfigCatClientProps,
   { isEnabled: boolean, loading: boolean }
 > {
-  constructor(props: { featureFlagKey: string, user?: User } & WithConfigCatClientProps) {
+  constructor(props: { featureFlagKey: string, user?: IUser } & WithConfigCatClientProps) {
     super(props);
 
     this.state = { isEnabled: false, loading: true };
diff --git a/sandbox/src/stories/Hook.tsx b/sandbox/src/stories/Hook.tsx
index 34dbb88..f88e5ee 100644
--- a/sandbox/src/stories/Hook.tsx
+++ b/sandbox/src/stories/Hook.tsx
@@ -1,9 +1,9 @@
 import { useCallback, useState } from 'react';
-import { useConfigCatClient, useFeatureFlag, ConfigCatProvider, LogLevel, User } from 'configcat-react';
+import { useConfigCatClient, useFeatureFlag, ConfigCatProvider, LogLevel, type IUser } from 'configcat-react';
 
 export const HookComponent = (args: { featureFlagKey: string }) => {
   const client = useConfigCatClient();
-  const userObject = new User('asdad121212sd');
+  const userObject: IUser = { identifier: 'asdad121212sd' };
   const { value: isFeatureEnabled, loading } = useFeatureFlag(args.featureFlagKey, false, userObject);
 
   return (
diff --git a/sandbox/src/stories/MultipleConfigCatConfigs.tsx b/sandbox/src/stories/MultipleConfigCatConfigs.tsx
index 1261f45..6c755c7 100644
--- a/sandbox/src/stories/MultipleConfigCatConfigs.tsx
+++ b/sandbox/src/stories/MultipleConfigCatConfigs.tsx
@@ -1,4 +1,4 @@
-import { ConfigCatProvider, useFeatureFlag, User, withConfigCatClient } from 'configcat-react';
+import { ConfigCatProvider, useFeatureFlag, withConfigCatClient, type IUser } from 'configcat-react';
 import { HocComponent} from  './Hoc';
 
 
@@ -9,7 +9,7 @@ const CC_SDK = {
   SHARED:"TODO - INSERT SDKKEY"
 };
 
-const userObject = new User('microFrontendUser1');
+const userObject: IUser = { identifier: 'microFrontendUser1' };
 
 export const C1 = (args: { featureFlagKey: string, providerId: string }) => {
 
diff --git a/src/ConfigCatHOC.tsx b/src/ConfigCatHOC.tsx
index a811c16..232dab3 100644
--- a/src/ConfigCatHOC.tsx
+++ b/src/ConfigCatHOC.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import type { IConfigCatClient, SettingTypeOf, SettingValue, User } from "@configcat/sdk";
+import type { IConfigCatClient, SettingTypeOf, SettingValue, IUser } from "@configcat/sdk";
 import React from "react";
 import { type ConfigCatContextData, getConfigCatContext } from "./ConfigCatContext";
 import { createConfigCatProviderError } from "./ConfigCatProvider";
@@ -8,11 +8,11 @@ import { createConfigCatProviderError } from "./ConfigCatProvider";
 export type GetValueType = <T extends SettingValue>(
   key: string,
   defaultValue: T,
-  user?: User
+  user?: IUser
 ) => Promise<SettingTypeOf<T>>;
 
 const getValueFunction = (client: IConfigCatClient) => {
-  return async function <T extends SettingValue>(key: string, defaultValue: T, user?: User) {
+  return async function <T extends SettingValue>(key: string, defaultValue: T, user?: IUser) {
     return await client.getValueAsync(key, defaultValue, user);
   };
 };
diff --git a/src/ConfigCatHooks.tsx b/src/ConfigCatHooks.tsx
index 59a203e..7abf554 100644
--- a/src/ConfigCatHooks.tsx
+++ b/src/ConfigCatHooks.tsx
@@ -1,11 +1,11 @@
 "use client";
 
-import type { IConfigCatClient, SettingTypeOf, SettingValue, User } from "@configcat/sdk";
+import type { IConfigCatClient, SettingTypeOf, SettingValue, IUser } from "@configcat/sdk";
 import { useContext, useEffect, useState } from "react";
 import { getConfigCatContext } from "./ConfigCatContext";
 import { createConfigCatProviderError } from "./ConfigCatProvider";
 
-function useFeatureFlag<T extends SettingValue>(key: string, defaultValue: T, user?: User, providerId?: string): {
+function useFeatureFlag<T extends SettingValue>(key: string, defaultValue: T, user?: IUser, providerId?: string): {
   value: SettingTypeOf<T>;
   loading: boolean;
 } {
diff --git a/src/ConfigCatProvider.tsx b/src/ConfigCatProvider.tsx
index 02aae21..d4fae31 100644
--- a/src/ConfigCatProvider.tsx
+++ b/src/ConfigCatProvider.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import type { ClientCacheState, Config, EvaluationDetails, HookEvents, IAutoPollOptions, IConfigCatClient, IConfigCatClientSnapshot, ILazyLoadingOptions, IManualPollOptions, RefreshResult, SettingKeyValue, SettingTypeOf, SettingValue, User } from "@configcat/sdk";
+import type { ClientCacheState, Config, EvaluationDetails, HookEvents, IAutoPollOptions, IConfigCatClient, IConfigCatClientSnapshot, ILazyLoadingOptions, IManualPollOptions, IUser, RefreshResult, SettingKeyValue, SettingTypeOf, SettingValue } from "@configcat/sdk";
 import { Internals, LocalStorageConfigCache, PollingMode, XmlHttpRequestConfigFetcher } from "@configcat/sdk";
 import React, { Component, type PropsWithChildren } from "react";
 import { type ConfigCatContextData, ensureConfigCatContext } from "./ConfigCatContext";
@@ -124,19 +124,19 @@ export function createConfigCatProviderError(methodName: string, providerId?: st
 class ConfigCatClientStub implements IConfigCatClient {
   readonly isOffline = true;
 
-  getValueAsync<T extends SettingValue>(_key: string, _defaultValue: T, _user?: User): Promise<SettingTypeOf<T>> {
+  getValueAsync<T extends SettingValue>(_key: string, _defaultValue: T, _user?: IUser): Promise<SettingTypeOf<T>> {
     throw serverContextNotSupported();
   }
-  getValueDetailsAsync<T extends SettingValue>(_key: string, _defaultValue: T, _user?: User): Promise<EvaluationDetails<SettingTypeOf<T>>> {
+  getValueDetailsAsync<T extends SettingValue>(_key: string, _defaultValue: T, _user?: IUser): Promise<EvaluationDetails<SettingTypeOf<T>>> {
     throw serverContextNotSupported();
   }
   getAllKeysAsync(): Promise<string[]> {
     throw serverContextNotSupported();
   }
-  getAllValuesAsync(_user?: User): Promise<SettingKeyValue<SettingValue>[]> {
+  getAllValuesAsync(_user?: IUser): Promise<SettingKeyValue<SettingValue>[]> {
     throw serverContextNotSupported();
   }
-  getAllValueDetailsAsync(_user?: User): Promise<EvaluationDetails<SettingValue>[]> {
+  getAllValueDetailsAsync(_user?: IUser): Promise<EvaluationDetails<SettingValue>[]> {
     throw serverContextNotSupported();
   }
   getKeyAndValueAsync(_variationId: string): Promise<SettingKeyValue<SettingValue> | null> {
@@ -151,7 +151,7 @@ class ConfigCatClientStub implements IConfigCatClient {
   snapshot(): IConfigCatClientSnapshot {
     throw serverContextNotSupported();
   }
-  setDefaultUser(_defaultUser: User): void {
+  setDefaultUser(_defaultUser: IUser): void {
     throw serverContextNotSupported();
   }
   clearDefaultUser(): void {