diff --git a/composer.json b/composer.json
index c2657bed..62639269 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
 	"license": "MIT",
 	"require": {
 		"php": ">=5.4.0",
-		"symfony/http-foundation": "~2.5",
+		"symfony/http-foundation": "~2.4",
 		"league/event": "1.0.*"
 	},
 	"require-dev": {