diff --git a/README.md b/README.md
index 8adae40..1a98cd3 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,10 @@ This project is currently a work-in-progress and is minimally functional.
 ## Requirements
 - python3
 - PyQt5
+- python-xlib
 ## Install
-- $sudo pip3 install PyQt5
+- $ sudo pip3 install PyQt5
+- $ sudo pip3 install python-xlib
 - $git clone https://github.com/rose-jinyang/LinVAM.git
 ## Usage
 This script must be run with root privilege because it must hook and simulate input devices such as keyboard, mouse etc.