diff --git a/composer.json b/composer.json
index 3fb5f15..408ba0c 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "symfony/framework-bundle": "~2.1",
+        "symfony/framework-bundle": "~2.1,<2.3-dev",
         "symfony/twig-bundle": "~2.1",
         "symfony/form": "~2.1",
         "dflydev/markdown": "1.0.*"