diff --git a/src/Symfony/Component/Messenger/Tests/Transport/Doctrine/DoctrineIntegrationTest.php b/src/Symfony/Component/Messenger/Tests/Transport/Doctrine/DoctrineIntegrationTest.php
index 08ae0d799e..aca22cf636 100644
--- a/src/Symfony/Component/Messenger/Tests/Transport/Doctrine/DoctrineIntegrationTest.php
+++ b/src/Symfony/Component/Messenger/Tests/Transport/Doctrine/DoctrineIntegrationTest.php
@@ -17,22 +17,31 @@ use Symfony\Component\Messenger\Tests\Fixtures\DummyMessage;
 use Symfony\Component\Messenger\Transport\Doctrine\Connection;
 
 /**
- * @requires pdo_mysql
+ * @requires extension pdo_sqlite
  */
 class DoctrineIntegrationTest extends TestCase
 {
     private $driverConnection;
     private $connection;
 
-    protected function setUp()
+    /**
+     * @after
+     */
+    public function cleanup()
     {
-        parent::setUp();
+        @unlink(sys_get_temp_dir().'/symfony.messenger.sqlite');
+    }
 
-        if (!getenv('MESSENGER_DOCTRINE_DSN')) {
-            $this->markTestSkipped('The "MESSENGER_DOCTRINE_DSN" environment variable is required.');
+    /**
+     * @before
+     */
+    public function createConnection()
+    {
+        if ($dsn = getenv('MESSENGER_DOCTRINE_DSN')) {
+            $this->driverConnection = DriverManager::getConnection(['url' => $dsn]);
+        } else {
+            $this->driverConnection = DriverManager::getConnection(['pdo' => new \PDO('sqlite:'.sys_get_temp_dir().'/symfony.messenger.sqlite')]);
         }
-        $dsn = getenv('MESSENGER_DOCTRINE_DSN');
-        $this->driverConnection = DriverManager::getConnection(['url' => $dsn]);
         $this->connection = new Connection([], $this->driverConnection);
         // call send to auto-setup the table
         $this->connection->setup();
@@ -62,7 +71,7 @@ class DoctrineIntegrationTest extends TestCase
 
         $available_at = new \DateTime($available_at);
 
-        $now = \DateTime::createFromFormat('U.u', microtime(true));
+        $now = new \DateTime();
         $now->modify('+60 seconds');
         $this->assertGreaterThan($now, $available_at);
     }
@@ -77,7 +86,7 @@ class DoctrineIntegrationTest extends TestCase
             'queue_name' => 'default',
             'created_at' => Connection::formatDateTime(new \DateTime('2019-03-15 12:00:00')),
             'available_at' => Connection::formatDateTime(new \DateTime('2019-03-15 12:00:00')),
-            'delivered_at' => Connection::formatDateTime(\DateTime::createFromFormat('U.u', microtime(true))),
+            'delivered_at' => Connection::formatDateTime(new \DateTime()),
         ]);
         // one available later
         $this->driverConnection->insert('messenger_messages', [
@@ -110,7 +119,7 @@ class DoctrineIntegrationTest extends TestCase
             'queue_name' => 'default',
             'created_at' => Connection::formatDateTime(new \DateTime('2019-03-15 12:00:00')),
             'available_at' => Connection::formatDateTime(new \DateTime('2019-03-15 12:00:00')),
-            'delivered_at' => Connection::formatDateTime(\DateTime::createFromFormat('U.u', microtime(true))),
+            'delivered_at' => Connection::formatDateTime(new \DateTime()),
         ]);
         // one available later
         $this->driverConnection->insert('messenger_messages', [
diff --git a/src/Symfony/Component/Messenger/Transport/Doctrine/Connection.php b/src/Symfony/Component/Messenger/Transport/Doctrine/Connection.php
index 701794f0b3..3191033f8e 100644
--- a/src/Symfony/Component/Messenger/Transport/Doctrine/Connection.php
+++ b/src/Symfony/Component/Messenger/Transport/Doctrine/Connection.php
@@ -106,7 +106,7 @@ class Connection
      */
     public function send(string $body, array $headers, int $delay = 0): void
     {
-        $now = (\DateTime::createFromFormat('U.u', microtime(true)));
+        $now = new \DateTime();
         $availableAt = (clone $now)->modify(sprintf('+%d seconds', $delay / 1000));
 
         $queryBuilder = $this->driverConnection->createQueryBuilder()
@@ -157,7 +157,7 @@ class Connection
                 ->update($this->configuration['table_name'])
                 ->set('delivered_at', ':delivered_at')
                 ->where('id = :id');
-            $now = \DateTime::createFromFormat('U.u', microtime(true));
+            $now = new \DateTime();
             $this->executeQuery($queryBuilder->getSQL(), [
                 ':id' => $doctrineEnvelope['id'],
                 ':delivered_at' => self::formatDateTime($now),
@@ -207,7 +207,7 @@ class Connection
 
     private function createAvailableMessagesQueryBuilder(): QueryBuilder
     {
-        $now = \DateTime::createFromFormat('U.u', microtime(true));
+        $now = new \DateTime();
         $redeliverLimit = (clone $now)->modify(sprintf('-%d seconds', $this->configuration['redeliver_timeout']));
 
         return $this->driverConnection->createQueryBuilder()
@@ -273,6 +273,6 @@ class Connection
 
     public static function formatDateTime(\DateTimeInterface $dateTime)
     {
-        return $dateTime->format('Y-m-d\TH:i:s.uZ');
+        return $dateTime->format('Y-m-d\TH:i:s');
     }
 }
diff --git a/src/Symfony/Component/Messenger/composer.json b/src/Symfony/Component/Messenger/composer.json
index d3adb0271d..02d25efd5f 100644
--- a/src/Symfony/Component/Messenger/composer.json
+++ b/src/Symfony/Component/Messenger/composer.json
@@ -20,7 +20,7 @@
         "psr/log": "~1.0"
     },
     "require-dev": {
-        "doctrine/dbal": "~2.4",
+        "doctrine/dbal": "^2.5",
         "psr/cache": "~1.0",
         "symfony/console": "~3.4|~4.0",
         "symfony/dependency-injection": "~3.4.19|^4.1.8",