diff --git a/composer.json b/composer.json
index e6d6a0f..3cda6e3 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     }
   ],
   "require": {
-    "symfony/http-kernel": "~2.3"
+    "symfony/http-kernel": "~2.3|~3.0"
   },
   "autoload": {
     "psr-0": {