diff --git a/.travis.yml b/.travis.yml
index 67011f6..5f20e70 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,9 +5,8 @@ matrix:
     - php: hhvm
 
 php:
-  - 5.3
-  - 5.4
   - 5.5
+  - 7.0
   - hhvm
 
 before_script:
diff --git a/composer.json b/composer.json
index 808904f..d5dde7c 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.2",
+        "php": ">=5.5",
         "jms/serializer": "^1.0.0",
         "symfony/expression-language": "~2.4||~3.0"
     },