diff --git a/core/composer.json b/core/composer.json
index a50d99093..cba34e8e4 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -7,7 +7,8 @@
         "symfony/dependency-injection" : "2.1.*",
         "symfony/console" : "2.1.*",
         "symfony/event-dispatcher" : "2.1.*",
-        "propel/propel1" : "1.6.*"
+        "propel/propel1" : "1.6.*",
+        "symfony-cmf/routing" : "1.0.*@dev"
     },
     "minimum-stability": "stable"
 }