diff --git a/composer.json b/composer.json
index b272a16cb5..7891791d74 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "silex/silex"                      : "~1.0.0",
         "silex/web-profiler"               : "~1.0.0",
         "swiftmailer/swiftmailer"          : "~4.3.0",
-        "symfony/symfony"                  : "2.3.3",
+        "symfony/symfony"                  : "~2.3.7",
         "alchemy-fr/tcpdf-clone"           : "~6.0",
         "themattharris/tmhoauth"           : "~0.7",
         "twig/twig"                        : "~1.14, >=1.14.2",
diff --git a/composer.lock b/composer.lock
index 459f443815..f3ec99fa71 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3,7 +3,7 @@
         "This file locks the dependencies of your project to a known state",
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
     ],
-    "hash": "f75434de6657af7daaf97fc6c9f16494",
+    "hash": "c86f3d5cef410e011d14c7ac9749c11e",
     "packages": [
         {
             "name": "alchemy-fr/tcpdf-clone",
@@ -2671,16 +2671,16 @@
         },
         {
             "name": "symfony/symfony",
-            "version": "v2.3.3",
+            "version": "v2.3.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/symfony.git",
-                "reference": "17aefe6c8ec9462dbfb3ef092f54c4e853861810"
+                "reference": "2829b471871c2564228fe9f0832a0f928a8ffaa1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/symfony/zipball/17aefe6c8ec9462dbfb3ef092f54c4e853861810",
-                "reference": "17aefe6c8ec9462dbfb3ef092f54c4e853861810",
+                "url": "https://api.github.com/repos/symfony/symfony/zipball/2829b471871c2564228fe9f0832a0f928a8ffaa1",
+                "reference": "2829b471871c2564228fe9f0832a0f928a8ffaa1",
                 "shasum": ""
             },
             "require": {
@@ -2775,7 +2775,7 @@
             "keywords": [
                 "framework"
             ],
-            "time": "2013-08-07 17:11:16"
+            "time": "2013-11-14 07:58:51"
         },
         {
             "name": "themattharris/tmhoauth",