diff --git a/composer.lock b/composer.lock
index da89fbd..81e05a1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2966,16 +2966,16 @@
         },
         {
             "name": "symfony/swiftmailer-bundle",
-            "version": "v2.4.0",
+            "version": "v2.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/swiftmailer-bundle.git",
-                "reference": "d7b7bd6bb6e9b32ebc5f9778f94d4b4e4af5d069"
+                "reference": "ad751095576ce0c12a284e30e3fff80c91f27225"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/swiftmailer-bundle/zipball/d7b7bd6bb6e9b32ebc5f9778f94d4b4e4af5d069",
-                "reference": "d7b7bd6bb6e9b32ebc5f9778f94d4b4e4af5d069",
+                "url": "https://api.github.com/repos/symfony/swiftmailer-bundle/zipball/ad751095576ce0c12a284e30e3fff80c91f27225",
+                "reference": "ad751095576ce0c12a284e30e3fff80c91f27225",
                 "shasum": ""
             },
             "require": {
@@ -3021,7 +3021,7 @@
             ],
             "description": "Symfony SwiftmailerBundle",
             "homepage": "http://symfony.com",
-            "time": "2016-10-27T17:59:30+00:00"
+            "time": "2016-12-20T04:44:33+00:00"
         },
         {
             "name": "symfony/symfony",