diff --git a/composer.json b/composer.json
index 53de5a2..a05be61 100755
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
      ],
     "require": {
         "php": ">=5.3.0",
-        "silex/silex": "1.0.*@dev",
+        "silex/silex": "~1.0",
         "php-activerecord/php-activerecord": "~1.1.1"
     },
     "autoload": {