diff --git a/composer.json b/composer.json
index 5838522..0b38f82 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
     ],
     "require": {
         "php": ">=5.4.0",
-        "symfony/http-foundation": "~2.1",
-        "symfony/http-kernel": "~2.1"
+        "symfony/http-foundation": "~2.1|~3.0",
+        "symfony/http-kernel": "~2.1|~3.0"
     },
     "require-dev": {
         "stack/callable-http-kernel": "~1.0@dev",