diff --git a/composer.json b/composer.json
index 92abcc8..6518939 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
 		"nette/di": "~2.2@dev",
 		"nette/caching": "~2.2@dev",
 
-		"symfony/validator": "~2.5",
+		"symfony/validator": ">=2.5.3",
 		"kdyby/annotations": "~2.1@dev",
 		"kdyby/translation": "~2.0@dev"
 	},