diff --git a/src/Helpers/ConfigRetriever.php b/src/Helpers/ConfigRetriever.php
index a5c67f3..a0148bf 100644
--- a/src/Helpers/ConfigRetriever.php
+++ b/src/Helpers/ConfigRetriever.php
@@ -5,8 +5,9 @@
 use SocialiteProviders\Manager\Config;
 use SocialiteProviders\Manager\Contracts\ConfigInterface;
 use SocialiteProviders\Manager\Exception\MissingConfigException;
+use SocialiteProviders\Manager\Contracts\Helpers\ConfigRetrieverInterface;
 
-class ConfigRetriever implements \SocialiteProviders\Manager\Contracts\Helpers\ConfigRetrieverInterface
+class ConfigRetriever implements ConfigRetrieverInterface
 {
     /**
      * @var string
diff --git a/src/OAuth1/AbstractProvider.php b/src/OAuth1/AbstractProvider.php
index 10c0ebd..3ffcc52 100644
--- a/src/OAuth1/AbstractProvider.php
+++ b/src/OAuth1/AbstractProvider.php
@@ -2,11 +2,13 @@
 
 namespace SocialiteProviders\Manager\OAuth1;
 
+use Laravel\Socialite\One\AbstractProvider as BaseProvider;
 use SocialiteProviders\Manager\SocialiteWasCalled;
-use Symfony\Component\HttpFoundation\RedirectResponse;
 use SocialiteProviders\Manager\ConfigTrait;
+use SocialiteProviders\Manager\Contracts\ConfigInterface as Config;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 
-abstract class AbstractProvider extends \Laravel\Socialite\One\AbstractProvider
+abstract class AbstractProvider extends BaseProvider
 {
     use ConfigTrait;
 
@@ -150,4 +152,16 @@ public function with(array $parameters)
 
         return $this;
     }
+
+    /**
+     * @param Config $config
+     *
+     * @return $this
+     */
+    public function setConfig(Config $config)
+    {
+        $this->config = $this->server->setConfig($config);
+
+        return $this;
+    }
 }
diff --git a/src/OAuth1/Server.php b/src/OAuth1/Server.php
index cf8b10a..ab51692 100644
--- a/src/OAuth1/Server.php
+++ b/src/OAuth1/Server.php
@@ -5,9 +5,13 @@
 use GuzzleHttp\Exception\BadResponseException;
 use League\OAuth1\Client\Credentials\TemporaryCredentials;
 use League\OAuth1\Client\Credentials\TokenCredentials;
+use SocialiteProviders\Manager\ConfigTrait;
+use League\OAuth1\Client\Server\Server as BaseServer;
 
-abstract class Server extends \League\OAuth1\Client\Server\Server
+abstract class Server extends BaseServer
 {
+    use ConfigTrait;
+
     /**
      * The custom parameters to be sent with the request.
      *
diff --git a/src/OAuth1/User.php b/src/OAuth1/User.php
index 68506d6..e348db6 100644
--- a/src/OAuth1/User.php
+++ b/src/OAuth1/User.php
@@ -2,7 +2,9 @@
 
 namespace SocialiteProviders\Manager\OAuth1;
 
-class User extends \Laravel\Socialite\One\User
+use Laravel\Socialite\One\User as BaseUser;
+
+class User extends BaseUser
 {
     /**
      * The User Credentials.
diff --git a/src/OAuth2/AbstractProvider.php b/src/OAuth2/AbstractProvider.php
index 6be9aa1..e842000 100644
--- a/src/OAuth2/AbstractProvider.php
+++ b/src/OAuth2/AbstractProvider.php
@@ -7,8 +7,9 @@
 use SocialiteProviders\Manager\Contracts\OAuth2\ProviderInterface;
 use SocialiteProviders\Manager\SocialiteWasCalled;
 use SocialiteProviders\Manager\ConfigTrait;
+use Laravel\Socialite\Two\AbstractProvider as BaseProvider;
 
-abstract class AbstractProvider extends \Laravel\Socialite\Two\AbstractProvider implements ProviderInterface
+abstract class AbstractProvider extends BaseProvider implements ProviderInterface
 {
     use ConfigTrait;
 
diff --git a/src/OAuth2/User.php b/src/OAuth2/User.php
index 472c117..69ff690 100644
--- a/src/OAuth2/User.php
+++ b/src/OAuth2/User.php
@@ -2,7 +2,9 @@
 
 namespace SocialiteProviders\Manager\OAuth2;
 
-class User extends \Laravel\Socialite\Two\User
+use Laravel\Socialite\Two\User as BaseUser;
+
+class User extends BaseUser
 {
     /**
      * The User Credentials.