diff --git a/src/Symfony/Component/HttpFoundation/composer.json b/src/Symfony/Component/HttpFoundation/composer.json
index 55edbbf6fdfb2..e8733d840e385 100644
--- a/src/Symfony/Component/HttpFoundation/composer.json
+++ b/src/Symfony/Component/HttpFoundation/composer.json
@@ -17,7 +17,8 @@
     ],
     "require": {
         "php": ">=5.3.9",
-        "symfony/polyfill-php54": "~1.0"
+        "symfony/polyfill-php54": "~1.0",
+        "symfony/polyfill-php55": "~1.0"
     },
     "require-dev": {
         "symfony/expression-language": "~2.4|~3.0.0"