diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 9b627d9f4..0bfa4fc4f 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -11,6 +11,7 @@
 
 namespace Liip\ImagineBundle\DependencyInjection;
 
+use Liip\ImagineBundle\Controller\ImagineController;
 use Liip\ImagineBundle\DependencyInjection\Factory\Loader\LoaderFactoryInterface;
 use Liip\ImagineBundle\DependencyInjection\Factory\Resolver\ResolverFactoryInterface;
 use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
@@ -118,8 +119,8 @@ public function getConfigTreeBuilder()
                 ->arrayNode('controller')
                     ->addDefaultsIfNotSet()
                     ->children()
-                        ->scalarNode('filter_action')->defaultValue('liip_imagine.controller:filterAction')->end()
-                        ->scalarNode('filter_runtime_action')->defaultValue('liip_imagine.controller:filterRuntimeAction')->end()
+                        ->scalarNode('filter_action')->defaultValue(sprintf('%s::filterAction', ImagineController::class))->end()
+                        ->scalarNode('filter_runtime_action')->defaultValue(sprintf('%s::filterRuntimeAction', ImagineController::class))->end()
                     ->end()
                 ->end()
                 ->arrayNode('filter_sets')
diff --git a/Resources/config/imagine.xml b/Resources/config/imagine.xml
index fca60a134..b260e0d1a 100644
--- a/Resources/config/imagine.xml
+++ b/Resources/config/imagine.xml
@@ -69,12 +69,14 @@
 
         <!-- Controller -->
 
-        <service id="liip_imagine.controller" class="Liip\ImagineBundle\Controller\ImagineController" public="true">
+        <service id="Liip\ImagineBundle\Controller\ImagineController" public="true">
             <argument type="service" id="liip_imagine.service.filter" />
             <argument type="service" id="liip_imagine.data.manager" />
             <argument type="service" id="liip_imagine.cache.signer" />
         </service>
 
+        <service id="liip_imagine.controller" alias="Liip\ImagineBundle\Controller\ImagineController" public="true" />
+
         <service id="liip_imagine.meta_data.reader" class="Imagine\Image\Metadata\ExifMetadataReader" public="false" />
 
         <!-- ImagineInterface instances -->
diff --git a/Tests/DependencyInjection/LiipImagineExtensionTest.php b/Tests/DependencyInjection/LiipImagineExtensionTest.php
index bbc7d104d..3eb1f06d7 100644
--- a/Tests/DependencyInjection/LiipImagineExtensionTest.php
+++ b/Tests/DependencyInjection/LiipImagineExtensionTest.php
@@ -11,6 +11,7 @@
 
 namespace Liip\ImagineBundle\Tests\DependencyInjection;
 
+use Liip\ImagineBundle\Controller\ImagineController;
 use Liip\ImagineBundle\DependencyInjection\Factory\Loader\FileSystemLoaderFactory;
 use Liip\ImagineBundle\DependencyInjection\Factory\Resolver\WebPathResolverFactory;
 use Liip\ImagineBundle\DependencyInjection\LiipImagineExtension;
@@ -49,7 +50,7 @@ public function testLoadWithDefaults()
         $this->assertAlias('liip_imagine.gd', 'liip_imagine');
         $this->assertHasDefinition('liip_imagine.controller');
         $this->assertDICConstructorArguments(
-            $this->containerBuilder->getDefinition('liip_imagine.controller'),
+            $this->containerBuilder->getDefinition(ImagineController::class),
             [
                 new Reference('liip_imagine.service.filter'),
                 new Reference('liip_imagine.data.manager'),
diff --git a/Tests/Functional/AbstractSetupWebTestCase.php b/Tests/Functional/AbstractSetupWebTestCase.php
index d6c81cde1..449ad36ef 100644
--- a/Tests/Functional/AbstractSetupWebTestCase.php
+++ b/Tests/Functional/AbstractSetupWebTestCase.php
@@ -44,6 +44,7 @@ public function setUp()
         parent::setUp();
 
         $this->client = $this->createClient();
+        $this->client->catchExceptions(false);
         $this->webRoot = sprintf('%s/public', self::$kernel->getContainer()->getParameter('kernel.root_dir'));
         $this->cacheRoot = $this->webRoot.'/media/cache';
         $this->filesystem = new Filesystem();
diff --git a/Tests/Functional/Controller/ImagineControllerTest.php b/Tests/Functional/Controller/ImagineControllerTest.php
index 140b60f04..12434b4aa 100644
--- a/Tests/Functional/Controller/ImagineControllerTest.php
+++ b/Tests/Functional/Controller/ImagineControllerTest.php
@@ -23,7 +23,7 @@ class ImagineControllerTest extends AbstractSetupWebTestCase
 {
     public function testCouldBeGetFromContainer()
     {
-        $this->assertInstanceOf(ImagineController::class, self::$kernel->getContainer()->get('liip_imagine.controller'));
+        $this->assertInstanceOf(ImagineController::class, self::$kernel->getContainer()->get(ImagineController::class));
     }
 
     public function testShouldResolvePopulatingCacheFirst()
diff --git a/composer.json b/composer.json
index e5ab885de..e7ffde6c9 100644
--- a/composer.json
+++ b/composer.json
@@ -20,14 +20,14 @@
     "require": {
         "php": "^7.1",
         "imagine/Imagine": "^0.7.1,<0.8",
-        "symfony/asset": "^3.0|^4.0",
-        "symfony/filesystem": "^3.0|^4.0",
-        "symfony/finder": "^3.0|^4.0",
-        "symfony/framework-bundle": "^3.0|^4.0",
-        "symfony/options-resolver": "^3.0|^4.0",
-        "symfony/process": "^3.0|^4.0",
-        "symfony/templating": "^3.0|^4.0",
-        "symfony/translation": "^3.0|^4.0"
+        "symfony/asset": "^3.4|^4.0",
+        "symfony/filesystem": "^3.4|^4.0",
+        "symfony/finder": "^3.4|^4.0",
+        "symfony/framework-bundle": "^3.4|^4.0",
+        "symfony/options-resolver": "^3.4|^4.0",
+        "symfony/process": "^3.4|^4.0",
+        "symfony/templating": "^3.4|^4.0",
+        "symfony/translation": "^3.4|^4.0"
     },
     "require-dev": {
         "ext-gd": "*",
@@ -39,13 +39,13 @@
         "friendsofphp/php-cs-fixer": "^2.10",
         "league/flysystem": "^1.0",
         "psr/log": "^1.0",
-        "symfony/browser-kit": "^3.0|^4.0",
-        "symfony/console": "^3.0|^4.0",
-        "symfony/dependency-injection": "^3.0|^4.0",
-        "symfony/form": "^3.0|^4.0",
-        "symfony/phpunit-bridge": "^3.0|^4.0",
-        "symfony/validator": "^3.0|^4.0",
-        "symfony/yaml": "^3.0|^4.0",
+        "symfony/browser-kit": "^3.4|^4.0",
+        "symfony/console": "^3.4|^4.0",
+        "symfony/dependency-injection": "^3.4|^4.0",
+        "symfony/form": "^3.4|^4.0",
+        "symfony/phpunit-bridge": "^3.4|^4.0",
+        "symfony/validator": "^3.4|^4.0",
+        "symfony/yaml": "^3.4|^4.0",
         "twig/twig": "^1.12|^2.0"
     },
     "suggest": {