diff --git a/composer.json b/composer.json
index 57c27b0..84177e5 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,6 @@
   "license": "GPL-2.0+",
   "minimum-stability": "dev",
   "require": {
-    "symfony/validator": "2.7.5"
+    "symfony/validator": "2.8.*"
   }
 }