diff --git a/Loader/SymfonyFixturesLoader.php b/Loader/SymfonyFixturesLoader.php
index 83a8cd8..a247b58 100644
--- a/Loader/SymfonyFixturesLoader.php
+++ b/Loader/SymfonyFixturesLoader.php
@@ -8,17 +8,17 @@
 use Doctrine\Bundle\FixturesBundle\FixtureGroupInterface;
 use Doctrine\Common\DataFixtures\DependentFixtureInterface;
 use Doctrine\Common\DataFixtures\FixtureInterface;
+use Doctrine\Common\DataFixtures\Loader;
 use LogicException;
 use ReflectionClass;
 use RuntimeException;
-use Symfony\Bridge\Doctrine\DataFixtures\ContainerAwareLoader;
 
 use function array_key_exists;
 use function array_values;
 use function get_class;
 use function sprintf;
 
-final class SymfonyFixturesLoader extends ContainerAwareLoader
+final class SymfonyFixturesLoader extends Loader
 {
     /** @var FixtureInterface[] */
     private $loadedFixtures = [];
diff --git a/Tests/Command/LoadDataFixturesDoctrineCommandTest.php b/Tests/Command/LoadDataFixturesDoctrineCommandTest.php
index 6607ce9..358bd36 100644
--- a/Tests/Command/LoadDataFixturesDoctrineCommandTest.php
+++ b/Tests/Command/LoadDataFixturesDoctrineCommandTest.php
@@ -9,7 +9,6 @@
 use Doctrine\Bundle\FixturesBundle\Loader\SymfonyFixturesLoader;
 use Doctrine\Persistence\ManagerRegistry;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\DependencyInjection\Container;
 use TypeError;
 
 use function sprintf;
@@ -24,7 +23,7 @@ class LoadDataFixturesDoctrineCommandTest extends TestCase
      */
     public function testInstantiatingWithoutManagerRegistry(): void
     {
-        $loader = new SymfonyFixturesLoader(new Container());
+        $loader = new SymfonyFixturesLoader();
 
         try {
             new LoadDataFixturesDoctrineCommand($loader);
@@ -47,7 +46,7 @@ public function testInstantiatingWithoutManagerRegistry(): void
     public function testInstantiatingWithManagerRegistry(): void
     {
         $registry = $this->createMock(ManagerRegistry::class);
-        $loader   = new SymfonyFixturesLoader(new Container());
+        $loader   = new SymfonyFixturesLoader();
 
         new LoadDataFixturesDoctrineCommand($loader, $registry);
     }
diff --git a/Tests/IntegrationTest.php b/Tests/IntegrationTest.php
index 963a127..b60cf7c 100644
--- a/Tests/IntegrationTest.php
+++ b/Tests/IntegrationTest.php
@@ -22,7 +22,6 @@
 use LogicException;
 use PHPUnit\Framework\TestCase;
 use RuntimeException;
-use Symfony\Bridge\Doctrine\DataFixtures\ContainerAwareLoader;
 use Symfony\Component\Console\Tester\CommandTester;
 use Symfony\Component\DependencyInjection\Alias;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -51,7 +50,7 @@ public function testFixturesLoader(): void
         $container = $kernel->getContainer();
 
         $loader = $container->get('test.doctrine.fixtures.loader');
-        assert($loader instanceof ContainerAwareLoader);
+        assert($loader instanceof Loader);
 
         $actualFixtures = $loader->getFixtures();
         $this->assertCount(2, $actualFixtures);
@@ -84,7 +83,7 @@ public function testFixturesLoaderWhenFixtureHasDepdencenyThatIsNotYetLoaded():
         $container = $kernel->getContainer();
 
         $loader = $container->get('test.doctrine.fixtures.loader');
-        assert($loader instanceof ContainerAwareLoader);
+        assert($loader instanceof Loader);
 
         $actualFixtures = $loader->getFixtures();
         $this->assertCount(2, $actualFixtures);
@@ -123,7 +122,7 @@ public function testExceptionWithDependenciesWithRequiredArguments(): void
         $container = $kernel->getContainer();
 
         $loader = $container->get('test.doctrine.fixtures.loader');
-        assert($loader instanceof ContainerAwareLoader);
+        assert($loader instanceof Loader);
 
         $this->expectException(LogicException::class);
         $this->expectExceptionMessage('The getDependencies() method returned a class (Doctrine\Bundle\FixturesBundle\Tests\Fixtures\FooBundle\DataFixtures\RequiredConstructorArgsFixtures) that has required constructor arguments. Upgrade to "doctrine/data-fixtures" version 1.3 or higher to support this.');
diff --git a/Tests/IntegrationTestKernel.php b/Tests/IntegrationTestKernel.php
index 79632e5..c4f0843 100644
--- a/Tests/IntegrationTestKernel.php
+++ b/Tests/IntegrationTestKernel.php
@@ -79,8 +79,7 @@ public function getLogDir(): string
         return sys_get_temp_dir();
     }
 
-    /** @return void */
-    protected function build(ContainerBuilder $container)
+    protected function build(ContainerBuilder $container): void
     {
         $container->addCompilerPass(new class implements CompilerPassInterface {
             public function process(ContainerBuilder $container): void
diff --git a/composer.json b/composer.json
index 62050f7..6c5bbf1 100644
--- a/composer.json
+++ b/composer.json
@@ -25,11 +25,11 @@
         "doctrine/doctrine-bundle": "^1.11|^2.0",
         "doctrine/orm": "^2.6.0",
         "doctrine/persistence": "^1.3.7|^2.0|^3.0",
-        "symfony/config": "^3.4|^4.3|^5.0|^6.0",
-        "symfony/console": "^3.4|^4.3|^5.0|^6.0",
-        "symfony/dependency-injection": "^3.4.47|^4.3|^5.0|^6.0",
-        "symfony/doctrine-bridge": "^3.4|^4.1|^5.0|^6.0",
-        "symfony/http-kernel": "^3.4|^4.3|^5.0|^6.0"
+        "symfony/config": "^3.4|^4.3|^5.0|^6.0|^7.0",
+        "symfony/console": "^3.4|^4.3|^5.0|^6.0|^7.0",
+        "symfony/dependency-injection": "^3.4.47|^4.3|^5.0|^6.0|^7.0",
+        "symfony/doctrine-bridge": "^3.4|^4.1|^5.0|^6.0|^7.0",
+        "symfony/http-kernel": "^3.4|^4.3|^5.0|^6.0|^7.0"
     },
     "require-dev": {
         "doctrine/coding-standard": "^9",