diff --git a/README.md b/README.md
index 4201fe1c..77ea7dab 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ npm i
 sudo apt install python3
 pip3 install psutil
 pip3 install crcengine
+pip3 install ujson
 ```
 ## Manual Installation macOS
 ### Install brew and python3