diff --git a/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php b/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php
index f470613..01345e4 100644
--- a/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php
+++ b/Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php
@@ -21,12 +21,11 @@ namespace Codappix\SearchCore\Tests\Unit\Domain\Index\TcaIndexer;
  */
 
 use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
-use Codappix\SearchCore\DataProcessing\CopyToProcessor;
 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\Core\Database\DatabaseConnection;
+use TYPO3\CMS\Typo3DbLegacy\Database\DatabaseConnection;
 
 class TcaTableServiceTest extends AbstractUnitTestCase
 {
diff --git a/composer.json b/composer.json
index 83e5f47..3fac0b1 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,8 @@
     "require": {
         "php": ">=7.0.0",
         "typo3/cms": ">= 7.6.0 < 9.0.0",
-        "ruflin/elastica": "~3.2"
+        "ruflin/elastica": "~3.2",
+        "friendsoftypo3/typo3db-legacy": "^1.1.1"
     },
     "require-dev": {
         "phpunit/phpunit": "~6.4.4",