diff --git a/composer.json b/composer.json
index 7382108..e00fc1f 100644
--- a/composer.json
+++ b/composer.json
@@ -15,9 +15,9 @@
         }
     ],
     "require": {
-        "symfony/twig-bundle": "~2.1",
-        "symfony/framework-bundle": "~2.1",
-        "symfony/console": "~2.1",
+        "symfony/twig-bundle": "~2.3",
+        "symfony/framework-bundle": "~2.3",
+        "symfony/console": "~2.3",
         "michelf/php-markdown": "~1.4"
     },
     "conflict": {
@@ -25,12 +25,12 @@
         "jms/serializer-bundle": "<0.11"
     },
     "require-dev": {
-        "symfony/css-selector": "~2.1",
-        "symfony/browser-kit": "~2.1",
-        "symfony/validator": "~2.1",
-        "symfony/yaml": "~2.1",
-        "symfony/form": "~2.1",
-        "symfony/finder": "~2.1",
+        "symfony/css-selector": "~2.3",
+        "symfony/browser-kit": "~2.3",
+        "symfony/validator": "~2.3",
+        "symfony/yaml": "~2.3",
+        "symfony/form": "~2.3",
+        "symfony/finder": "~2.3",
         "symfony/serializer": "~2.7@dev",
         "friendsofsymfony/rest-bundle": "~1.0",
         "jms/serializer-bundle": ">=0.11",