diff --git a/composer.json b/composer.json
index 3a3b8321..977d6a07 100644
--- a/composer.json
+++ b/composer.json
@@ -21,11 +21,11 @@
     "minimum-stability": "dev",
     "require": {
         "php": ">=5.3.2",
-        "symfony/framework-bundle": "~2.3",
-        "symfony/form": "~2.3"
+        "symfony/framework-bundle": ">=2.3,<2.6-dev",
+        "symfony/form": ">=2.3,<2.6-dev"
     },
     "require-dev": {
-        "symfony/doctrine-bridge": "~2.3",
+        "symfony/doctrine-bridge": ">=2.3,<2.6-dev",
         "symfony/finder": "2.*",
         "doctrine/orm": "2.*",
         "doctrine/doctrine-bundle": "1.*",