diff --git a/.travis.yml b/.travis.yml
index acaf364..4e46fce 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,7 @@ matrix:
 
 before_install:
   - composer self-update
+  - composer clear-cache
   - composer require -n --prefer-dist "symfony/symfony:${SYMFONY_VERSION}"
 
 script:
diff --git a/Factories/RollbarHandlerFactory.php b/Factories/RollbarHandlerFactory.php
index b31c548..cbbf20a 100755
--- a/Factories/RollbarHandlerFactory.php
+++ b/Factories/RollbarHandlerFactory.php
@@ -15,6 +15,11 @@
  */
 class RollbarHandlerFactory
 {
+    /**
+     * @var string|null
+     */
+    private $minimumLevel;
+
     /**
      * RollbarHandlerFactory constructor.
      *
@@ -30,25 +35,28 @@ public function __construct(ContainerInterface $container)
 
         if (!empty($config['person_fn']) && is_callable($config['person_fn'])) {
             $config['person'] = null;
-        } else {
-            if (empty($config['person'])) {
-                $config['person_fn'] = function () use ($container) {
-                    try {
-                        $token = $container->get('security.token_storage')->getToken();
+        } elseif (empty($config['person'])) {
+            $config['person_fn'] = function () use ($container) {
 
-                        if ($token) {
-                            $user = $token->getUser();
-                            $serializer = $container->get('serializer');
-                            $person = \json_decode($serializer->serialize($user, 'json'), true);
-                            return $person;
-                        }
-                    } catch (\Exception $exception) {
-                        // Ignore
+                try {
+                    $token = $container->get('security.token_storage')->getToken();
+
+                    if ($token) {
+                        $user = $token->getUser();
+                        $serializer = $container->get('serializer');
+
+                        return \json_decode($serializer->serialize($user, 'json'), true);
                     }
-                };
-            }
+                } catch (\Exception $exception) {
+                    // Ignore
+                }
+            };
         }
 
+        $this->minimumLevel = isset($config['minimum_level'])
+            ? $config['minimum_level']
+            : \Rollbar\Defaults::get()->minimumLevel();
+
         Rollbar::init($config, false, false, false);
     }
 
@@ -59,6 +67,6 @@ public function __construct(ContainerInterface $container)
      */
     public function createRollbarHandler()
     {
-        return new RollbarHandler(Rollbar::logger(), LogLevel::ERROR);
+        return new RollbarHandler(Rollbar::logger(), $this->minimumLevel);
     }
 }
diff --git a/Tests/Factories/RollbarHandlerFactoryTest.php b/Tests/Factories/RollbarHandlerFactoryTest.php
new file mode 100755
index 0000000..462f972
--- /dev/null
+++ b/Tests/Factories/RollbarHandlerFactoryTest.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Rollbar\Symfony\RollbarBundle\Tests\Factories;
+
+use Rollbar\Config;
+use Rollbar\Defaults;
+use Psr\Log\LogLevel;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+use Rollbar\Symfony\RollbarBundle\DependencyInjection\RollbarExtension;
+use Rollbar\Symfony\RollbarBundle\Factories\RollbarHandlerFactory;
+use Rollbar\Rollbar;
+use Rollbar\Payload\Level;
+
+/**
+ * Class RollbarHandlerFactoryTest
+ *
+ * @package Rollbar\Symfony\RollbarBundle\Tests\Factories;
+ */
+class RollbarHandlerFactoryTest extends KernelTestCase
+{
+    public static function setUpBeforeClass()
+    {
+        self::bootKernel();
+    }
+    
+    public function testMinimumLevel()
+    {
+        $factory = new RollbarHandlerFactory(self::$container);
+        
+        $getAccessTokenMethod = new \ReflectionMethod('\Rollbar\RollbarLogger', 'getAccessToken');
+        $getAccessTokenMethod->setAccessible(true);
+        $accessToken = $getAccessTokenMethod->invoke(Rollbar::logger());
+        
+        $mockLogger = $this->getMockBuilder('\Rollbar\RollbarLogger')
+            ->setConstructorArgs(array(array(
+                'access_token' => $accessToken,
+                'minimum_level' => LogLevel::ERROR
+            )))
+            ->getMock();
+        
+        $rollbarClass = new \ReflectionClass('\Rollbar\Rollbar');
+        $setLoggerMethod = $rollbarClass->getMethod('setLogger');
+        $setLoggerMethod->setAccessible(true);
+        $setLoggerMethod->invoke(null, $mockLogger);
+        
+        $logger = self::$container->get('test_alias.logger');
+
+        $mockLogger->expects($this->once())
+            ->method('log')
+            ->with($this->equalTo(Level::ERROR));
+            
+        $logger->log(Level::ERROR, "Test info from the factory test");
+        
+        $logger->log(Level::INFO, "Test debug from the factory test");
+    }
+}
diff --git a/Tests/Fixtures/app/config/config_test.yml b/Tests/Fixtures/app/config/config_test.yml
index a445db3..fa20f9e 100755
--- a/Tests/Fixtures/app/config/config_test.yml
+++ b/Tests/Fixtures/app/config/config_test.yml
@@ -1,9 +1,7 @@
 imports:
     - { resource: config.yml }
     - { resource: parameters.yml }
-
-rollbar:
-    access_token: ~
+    - { resource: packages/rollbar.yml }
 
 monolog:
     handlers:
@@ -12,7 +10,7 @@ monolog:
             id: Rollbar\Monolog\Handler\RollbarHandler
 
 services:
-    _defaults:
-        public: true
-
     test.Rollbar\Symfony\RollbarBundle\Payload\Generator: '@Rollbar\Symfony\RollbarBundle\Payload\Generator'
+    test_alias.logger:
+        alias: 'logger'
+        public: true
diff --git a/Tests/Fixtures/app/config/packages/rollbar.yml b/Tests/Fixtures/app/config/packages/rollbar.yml
new file mode 100644
index 0000000..293171c
--- /dev/null
+++ b/Tests/Fixtures/app/config/packages/rollbar.yml
@@ -0,0 +1,5 @@
+rollbar:
+    enabled: true
+    access_token: ~ # pulled from phpunit.xml
+    environment: 'rollbar-php-symfony-test-app'
+    minimum_level: 'info'
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 05c63e1..4915758 100755
--- a/composer.json
+++ b/composer.json
@@ -29,15 +29,15 @@
     "require": {
         "php": ">=5.6",
         "rollbar/rollbar": "^1",
-        "symfony/dependency-injection": "^3.4 | ^4.0",
-        "symfony/config": "^3.4 | ^4.0",
-        "symfony/http-kernel": "^3.4 | ^4.0",
+        "symfony/dependency-injection": "^3.4 | ^4",
+        "symfony/config": "^3.4 | ^4",
+        "symfony/http-kernel": "^3.4 | ^4",
         "symfony/monolog-bundle": "*",
         "symfony/serializer": "*"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7",
-        "symfony/framework-bundle": "^3.4 | ^4.0",
+        "symfony/framework-bundle": "^3.4 | ^4",
         "squizlabs/php_codesniffer": "^2.7",
         "matthiasnoback/symfony-dependency-injection-test": "^1.1"
     },