diff --git a/composer.json b/composer.json
index dc2e8d5..16d8490 100644
--- a/composer.json
+++ b/composer.json
@@ -17,12 +17,12 @@
         }
     ],
     "require": {
-        "php": ">=5.3.3",
+        "php": "^5.5 || ^7.0",
         "zendframework/zend-modulemanager": "2.*",
         "zendframework/zend-eventmanager": "2.*",
         "zendframework/zend-servicemanager": "2.*",
         "doctrine/data-fixtures": "1.1.*",
-        "doctrine/doctrine-orm-module": "~0.7"
+        "doctrine/doctrine-orm-module": "~1.0"
     },
     "require-dev": {
         "phpunit/phpunit" : "3.7.*",