diff --git a/README.md b/README.md
index de7e5cd..a1ad997 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ iCloud and iMessage and other connected Apple services require a valid device se
 
 ## Dependencies
 
-* [VirtualBox](https://www.virtualbox.org/wiki/Downloads)≥5.2
+* [VirtualBox](https://www.virtualbox.org/wiki/Downloads)≥5.2 with Extension Pack
 * `Bash`≥4 (run on Windows through [Cygwin](https://cygwin.com/install.html))
 * `unzip`, `wget` (install through package manager)
 * `dmg2img` (install through package manager on Linux; let the script download it automatically on Windows)