diff --git a/composer.json b/composer.json
index a441a2e..3f33c3a 100644
--- a/composer.json
+++ b/composer.json
@@ -5,8 +5,8 @@
     "type": "project",
     "license": "MIT",
     "require": {
-        "php": ">=5.5.9",
-        "cakephp/cakephp": ">=3.3.2 <4.0.0",
+        "php": ">=5.6.0",
+        "cakephp/cakephp": ">=3.5.0 <4.0.0",
         "cakephp/migrations": "~1.0",
         "cakephp/plugin-installer": "*"
     },