diff --git a/composer.json b/composer.json
index faf8901..926e41d 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.2",
+        "php": ">=5.3.6",
         "twig/twig": "1.18.*",
         "erusev/parsedown-extra": "0.7.*",
         "symfony/yaml" : "2.3"