diff --git a/XeroPHP/ApplicationFactory.php b/XeroPHP/ApplicationFactory.php
index bbb8d9c..e83688a 100644
--- a/XeroPHP/ApplicationFactory.php
+++ b/XeroPHP/ApplicationFactory.php
@@ -10,7 +10,9 @@
 class ApplicationFactory
 {
     const TYPE_PUBLIC = 'public';
+
     const TYPE_PRIVATE = 'private';
+
     const TYPE_PARTNER = 'partner';
 
     /**
diff --git a/composer.json b/composer.json
index 5c0606b..6137483 100644
--- a/composer.json
+++ b/composer.json
@@ -4,8 +4,8 @@
     "type": "symfony-bundle",
     "keywords": ["xero", "xero-php"],
     "require": {
-        "php": "^5.5.9|~7.0",
-        "calcinai/xero-php": "^1.5",
+        "php": ">=5.5.9",
+        "calcinai/xero-php": "^1.8",
         "symfony/config": "^2.7|^3.0",
         "symfony/debug": "^2.7|^3.0",
         "symfony/dependency-injection": "^2.7|^3.0",