diff --git a/tests/Credentials/ExternalAccountCredentialsTest.php b/tests/Credentials/ExternalAccountCredentialsTest.php
index 577a4c825..52923869e 100644
--- a/tests/Credentials/ExternalAccountCredentialsTest.php
+++ b/tests/Credentials/ExternalAccountCredentialsTest.php
@@ -23,11 +23,11 @@
 use Google\Auth\CredentialSource\UrlSource;
 use Google\Auth\OAuth2;
 use InvalidArgumentException;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\StreamInterface;
-use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
 
 /**
  * @group credentials