diff --git a/.travis.yml b/.travis.yml
index 3d08623..24f96c6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,10 @@
 language: php
 
 php:
-    - 5.3
-    - 5.4
+    - 5.5
+    - 5.6
+    - 7.0
 
 before_script:
     - composer self-update
-    - composer install --dev
\ No newline at end of file
+    - composer install
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 4ad456d..a6a26e9 100644
--- a/composer.json
+++ b/composer.json
@@ -16,9 +16,9 @@
         "source": "https://github.com/box-project/amend"
     },
     "require": {
-        "php": ">=5.3.3",
+        "php": ">=5.5.9",
         "herrera-io/phar-update": "~2.0",
-        "symfony/console": "~2.1"
+        "symfony/console": "~2.1|~3.0"
     },
     "require-dev": {
         "herrera-io/box": "~1.0",
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index b783bb8..f8dd983 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -16,7 +16,7 @@
   </filter>
   <testsuites>
     <testsuite name="Amend Test Suite">
-      <directory phpVersion="5.3.0" phpVersionOperator=">=" suffix="Test.php">src/tests/</directory>
+      <directory phpVersion="5.5.9" phpVersionOperator=">=" suffix="Test.php">src/tests/</directory>
     </testsuite>
   </testsuites>
 </phpunit>