diff --git a/README.md b/README.md
index 13d4efcb..787f5403 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Requirements
 
 You just need a web server with PHP support.
 
-- PHP v5.3 or higher.
+- PHP v5.6 or higher.
 - PHP [mbstring](http://php.net/manual/en/book.mbstring.php) module for full UTF-8 support.
 - PHP [gd](http://php.net/manual/en/book.image.php) module for image processing.
 - PHP [dom](http://php.net/manual/en/book.dom.php) module for DOM manipulation.