diff --git a/The-Ultimate-Rooting-Guide.md b/The-Ultimate-Rooting-Guide.md
index 3be1ae4..60e354c 100644
--- a/The-Ultimate-Rooting-Guide.md
+++ b/The-Ultimate-Rooting-Guide.md
@@ -17,7 +17,7 @@ You need to install `python 3`.
 You also need to do the following after getting `python 3`:
 
 ```
-pip install httpsig pyserial
+pip install httpsig pyserial urllib3 requests
 ```
 
 If you have Windows PC, make sure your PATH environment is correct so you can run `python` and `pip` properly.