diff --git a/composer.json b/composer.json
index 9529618c..c2600ed8 100644
--- a/composer.json
+++ b/composer.json
@@ -27,8 +27,8 @@
       , "ratchet/rfc6455": "^0.2"
       , "react/socket": "^1.0 || ^0.8 || ^0.7 || ^0.6 || ^0.5"
       , "guzzlehttp/psr7": "^1.0"
-      , "symfony/http-foundation": "^2.6|^3.0|^4.0"
-      , "symfony/routing": "^2.6|^3.0|^4.0"
+      , "symfony/http-foundation": "^2.6|^3.0|^4.0|^5.0"
+      , "symfony/routing": "^2.6|^3.0|^4.0|^5.0"
     }
   , "require-dev": {
         "phpunit/phpunit": "~4.8"