diff --git a/README.md b/README.md
index 3b440195..95b5700c 100755
--- a/README.md
+++ b/README.md
@@ -52,6 +52,7 @@ Make sure your server meets the following requirements.
 Flextype needs the following PHP extensions to be enabled:
 
 - Multibyte String
+- PHP Fileinfo
 - SPL
 
 Although it is optional, we strongly recommend enabling the following PHP extensions: