diff --git a/.travis.yml b/.travis.yml
index e61e3ef82..7fef74f22 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,14 +23,22 @@ matrix:
     - php: 7.0
       sudo: false
       env: SYMFONY_VERSION=3.0.* UNIT_TESTS=true SYMFONY_DEPRECATIONS_HELPER=weak
-    - php: 7.0
+    - php: 7.1
       sudo: required
       services: docker
       env: SYMFONY_VERSION=2.8.* FUNCTIONAL_TESTS=true
-    - php: 7.0
+    - php: 7.1
       sudo: required
       services: docker
       env: SYMFONY_VERSION=3.0.* FUNCTIONAL_TESTS=true
+    - php: 7.1
+      sudo: required
+      services: docker
+      env: SYMFONY_VERSION=3.2.* FUNCTIONAL_TESTS=true
+    - php: 7.1
+      sudo: required
+      services: docker
+      env: SYMFONY_VERSION=3.3.* FUNCTIONAL_TESTS=true
 
 cache:
     directories:
diff --git a/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncListener.php b/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncListener.php
index a606b8602..aa4884bca 100644
--- a/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncListener.php
+++ b/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncListener.php
@@ -2,11 +2,14 @@
 
 namespace Enqueue\Bundle\Tests\Functional\App;
 
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
 class TestAsyncListener
 {
     public $calls = [];
 
-    public function onEvent()
+    public function onEvent(Event $event, $eventName, EventDispatcherInterface $dispatcher)
     {
         $this->calls[] = func_get_args();
     }
diff --git a/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncSubscriber.php b/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncSubscriber.php
index 880519b51..2b45bed6e 100644
--- a/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncSubscriber.php
+++ b/pkg/enqueue-bundle/Tests/Functional/App/TestAsyncSubscriber.php
@@ -2,13 +2,15 @@
 
 namespace Enqueue\Bundle\Tests\Functional\App;
 
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 class TestAsyncSubscriber implements EventSubscriberInterface
 {
     public $calls = [];
 
-    public function onEvent()
+    public function onEvent(Event $event, $eventName, EventDispatcherInterface $dispatcher)
     {
         $this->calls[] = func_get_args();
     }
diff --git a/pkg/enqueue-bundle/Tests/Functional/UseCasesTest.php b/pkg/enqueue-bundle/Tests/Functional/UseCasesTest.php
index a2c65492c..38fca16f7 100644
--- a/pkg/enqueue-bundle/Tests/Functional/UseCasesTest.php
+++ b/pkg/enqueue-bundle/Tests/Functional/UseCasesTest.php
@@ -8,6 +8,7 @@
 use Enqueue\Psr\PsrContext;
 use Enqueue\Psr\PsrMessage;
 use Symfony\Component\Console\Tester\CommandTester;
+use Symfony\Component\HttpKernel\Kernel;
 
 /**
  * @group functional
@@ -49,6 +50,15 @@ public function provideEnqueueConfigs()
             ],
         ]];
 
+        // Symfony 2.x does not such env syntax
+        if (version_compare(Kernel::VERSION, '3.2', '>=')) {
+            yield 'default_dsn_as_env' => [[
+                'transport' => [
+                    'default' => '%env(AMQP_DSN)%',
+                ],
+            ]];
+        }
+
         yield 'default_dbal_as_dsn' => [[
             'transport' => [
                 'default' => getenv('DOCTINE_DSN'),
diff --git a/pkg/enqueue/Symfony/DefaultTransportFactory.php b/pkg/enqueue/Symfony/DefaultTransportFactory.php
index dcc54cf8b..6e264c4e2 100644
--- a/pkg/enqueue/Symfony/DefaultTransportFactory.php
+++ b/pkg/enqueue/Symfony/DefaultTransportFactory.php
@@ -50,7 +50,7 @@ public function addConfiguration(ArrayNodeDefinition $builder)
                     }
 
                     if (is_string($v)) {
-                        return false !== strpos($v, '://') ?
+                        return false !== strpos($v, '://') || false !== strpos($v, 'env_') ?
                             ['dsn' => $v] :
                             ['alias' => $v];
                     }
@@ -69,7 +69,9 @@ public function createConnectionFactory(ContainerBuilder $container, array $conf
         if (isset($config['alias'])) {
             $aliasId = sprintf('enqueue.transport.%s.connection_factory', $config['alias']);
         } else {
-            $aliasId = $this->findFactory($config['dsn'])->createConnectionFactory($container, $config);
+            $dsn = $this->resolveDSN($container, $config['dsn']);
+
+            $aliasId = $this->findFactory($dsn)->createConnectionFactory($container, $config);
         }
 
         $factoryId = sprintf('enqueue.transport.%s.connection_factory', $this->getName());
@@ -88,7 +90,9 @@ public function createContext(ContainerBuilder $container, array $config)
         if (isset($config['alias'])) {
             $aliasId = sprintf('enqueue.transport.%s.context', $config['alias']);
         } else {
-            $aliasId = $this->findFactory($config['dsn'])->createContext($container, $config);
+            $dsn = $this->resolveDSN($container, $config['dsn']);
+
+            $aliasId = $this->findFactory($dsn)->createContext($container, $config);
         }
 
         $contextId = sprintf('enqueue.transport.%s.context', $this->getName());
@@ -107,7 +111,9 @@ public function createDriver(ContainerBuilder $container, array $config)
         if (isset($config['alias'])) {
             $aliasId = sprintf('enqueue.client.%s.driver', $config['alias']);
         } else {
-            $aliasId = $this->findFactory($config['dsn'])->createDriver($container, $config);
+            $dsn = $this->resolveDSN($container, $config['dsn']);
+
+            $aliasId = $this->findFactory($dsn)->createDriver($container, $config);
         }
 
         $driverId = sprintf('enqueue.client.%s.driver', $this->getName());
@@ -126,6 +132,33 @@ public function getName()
         return $this->name;
     }
 
+    /**
+     * This is a quick fix to the exception "Incompatible use of dynamic environment variables "ENQUEUE_DSN" found in parameters."
+     * TODO: We'll have to come up with a better solution.
+     *
+     * @param ContainerBuilder $container
+     * @param $dsn
+     *
+     * @return array|false|string
+     */
+    private function resolveDSN(ContainerBuilder $container, $dsn)
+    {
+        if (method_exists($container, 'resolveEnvPlaceholders')) {
+            $dsn = $container->resolveEnvPlaceholders($dsn);
+
+            $matches = [];
+            if (preg_match('/%env\((.*?)\)/', $dsn, $matches)) {
+                if (false === $realDsn = getenv($matches[1])) {
+                    throw new \LogicException(sprintf('The env "%s" var is not defined', $matches[1]));
+                }
+
+                return $realDsn;
+            }
+        }
+
+        return $dsn;
+    }
+
     /**
      * @param string
      * @param mixed $dsn