diff --git a/composer.json b/composer.json
index 00adafd..678bd85 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     "require": {
         "php": ">=5.3.2",
         "symfony/framework-bundle": "2.*",
-        "symfony/security-bundle": "2.0.*",
+        "symfony/security-bundle": ">=2.0,<2.2-dev",
         "kertz/twitteroauth": "*"
     },
     "autoload": {