diff --git a/composer.json b/composer.json
index 2d92556..b2e2dda 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     ],
     "require": {
         "php": ">=5.4",
-        "league/oauth2-client": "~0.3",
+        "league/oauth2-client": "0.4.*",
         "league/oauth1-client": "~1.0",
         "zendframework/zend-servicemanager": "~2.2"
     },
diff --git a/src/Model/Oauth2User.php b/src/Model/Oauth2User.php
index 02d260b..5241ce5 100644
--- a/src/Model/Oauth2User.php
+++ b/src/Model/Oauth2User.php
@@ -1,7 +1,7 @@
 <?php
 namespace HtLeagueOauthClientModule\Model;
 
-use League\OAuth2\Client\Provider\User;
+use League\OAuth2\Client\Entity\User;
 
 class Oauth2User implements UserInterface
 {
diff --git a/src/Oauth2ClientManager.php b/src/Oauth2ClientManager.php
index c887073..a36325b 100644
--- a/src/Oauth2ClientManager.php
+++ b/src/Oauth2ClientManager.php
@@ -3,7 +3,7 @@
 
 use Zend\ServiceManager\AbstractPluginManager;
 use Zend\ServiceManager\ConfigInterface;
-use League\OAuth2\Client\Provider\IdentityProvider;
+use League\OAuth2\Client\Provider\ProviderInterface;
 
 class Oauth2ClientManager extends AbstractPluginManager
 {
@@ -23,7 +23,7 @@ public function __construct(ConfigInterface $config = null)
      */
     public function validatePlugin($plugin)
     {
-        if ($plugin instanceof IdentityProvider) {
+        if ($plugin instanceof ProviderInterface) {
             return; // we're okay
         }
 
diff --git a/tests/HtLeagueOauthClientModuleTest/Model/Oauth2UserTest.php b/tests/HtLeagueOauthClientModuleTest/Model/Oauth2UserTest.php
index 0219397..2a5d6e3 100644
--- a/tests/HtLeagueOauthClientModuleTest/Model/Oauth2UserTest.php
+++ b/tests/HtLeagueOauthClientModuleTest/Model/Oauth2UserTest.php
@@ -1,7 +1,7 @@
 <?php
 namespace HtLeagueOauthClientModuleTest\Model;
 
-use League\OAuth2\Client\Provider\User;
+use League\OAuth2\Client\Entity\User;
 use HtLeagueOauthClientModule\Model\Oauth2User;
 
 class Oauth2UserTest extends \PHPUnit_Framework_TestCase
diff --git a/tests/HtLeagueOauthClientModuleTest/Oauth2ClientManagerTest.php b/tests/HtLeagueOauthClientModuleTest/Oauth2ClientManagerTest.php
index 5b2f241..b910d05 100644
--- a/tests/HtLeagueOauthClientModuleTest/Oauth2ClientManagerTest.php
+++ b/tests/HtLeagueOauthClientModuleTest/Oauth2ClientManagerTest.php
@@ -9,7 +9,7 @@ public function testValidatePlugin()
     {
         $oauth2ClientManager = new Oauth2ClientManager;
 
-        $plugin = $this->getMock('League\OAuth2\Client\Provider\IdentityProvider');
+        $plugin = $this->getMock('League\OAuth2\Client\Provider\ProviderInterface');
         $this->assertNull($oauth2ClientManager->validatePlugin($plugin));
 
         $this->setExpectedException('HtLeagueOauthClientModule\Exception\InvalidArgumentException');