diff --git a/.travis.yml b/.travis.yml
index 74d72d362..04760e6a2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,6 @@ language: php
 
 php:
   - 5.6
-  - 5.5
-  - 5.4
   - 7.0
 
 matrix:
diff --git a/composer.json b/composer.json
index aec50b655..21c6c5445 100644
--- a/composer.json
+++ b/composer.json
@@ -9,8 +9,8 @@
     },
     "minimum-stability": "stable",
     "require": {
-        "php": ">=5.4|^7",
         "symfony/symfony": "^2.7",
+        "php": "~5.6|~7.0",
         "twig/extensions": "~1.0",
         "symfony/assetic-bundle": "~2.3",
         "symfony/monolog-bundle": "~2.4",