diff --git a/composer.json b/composer.json
index e658c07..fbdef31 100644
--- a/composer.json
+++ b/composer.json
@@ -9,6 +9,7 @@
         {"name": "Community", "homepage": "https://github.com/symfony-util/controller-using-templating-http-foundation"}
     ],
     "require": {
+        "php": "^5.5 || ^7.0",
         "symfony/http-foundation": "^2.0 || ^3.0 || ^4.0",
         "symfony/templating": "^2.0 || ^3.0 || ^4.0"
     },
@@ -25,7 +26,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "5.3.x-dev"
+            "dev-master": "5.5.x-dev"
         }
     }
 }