diff --git a/README.md b/README.md
index 77886e4..e7d1b2a 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Lychee is a free photo-management tool, which runs on your server or web-space.
 
 ## Installation
 
-To run Lychee, everything you need is a web-server with PHP 5.3 or later and a MySQL-Database. Follow the instructions to install Lychee on your server. [Installation »](docs/Installation.md)
+To run Lychee, everything you need is a web-server with PHP 5.5 or later and a MySQL-Database. Follow the instructions to install Lychee on your server. [Installation »](docs/Installation.md)
 
 ## How to use