diff --git a/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php b/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php
index 01345e4..8106f6f 100644
--- a/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php
+++ b/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php
@@ -25,7 +25,7 @@ use Codappix\SearchCore\Domain\Index\TcaIndexer\RelationResolver;
 use Codappix\SearchCore\Domain\Index\TcaIndexer\TcaTableService76;
 use Codappix\SearchCore\Domain\Index\TcaIndexer\TcaTableService;
 use Codappix\SearchCore\Tests\Unit\AbstractUnitTestCase;
-use TYPO3\CMS\Typo3DbLegacy\Database\DatabaseConnection;
+use TYPO3\CMS\Core\Database\ConnectionPool;
 
 class TcaTableServiceTest extends AbstractUnitTestCase
 {
@@ -40,16 +40,16 @@ class TcaTableServiceTest extends AbstractUnitTestCase
     protected $configuration;
 
     /**
-     * @var DatabaseConnection
+     * @var ConnectionPool
      */
-    protected $databaseConnection;
+    protected $connectionPool;
 
     public function setUp()
     {
         parent::setUp();
 
         $this->configuration = $this->getMockBuilder(ConfigurationContainerInterface::class)->getMock();
-        $this->databaseConnection = $this->getMockBuilder(DatabaseConnection::class)->getMock();
+        $this->connectionPool = $this->getMockBuilder(ConnectionPool::class)->getMock();
 
         $className = TcaTableService::class;
         if ($this->isLegacyVersion()) {
@@ -61,7 +61,7 @@ class TcaTableServiceTest extends AbstractUnitTestCase
             ->getMock();
         $this->subject->expects($this->any())
             ->method('getConnection')
-            ->willReturn($this->databaseConnection);
+            ->willReturn($this->connectionPool);
 
         $this->inject($this->subject, 'configuration', $this->configuration);
         $this->inject($this->subject, 'logger', $this->getMockedLogger());