diff --git a/README.md b/README.md
index f7a1ad9..11d13a1 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,9 @@ These instructions will get you a copy of the project up and running on your loc
 ### Prerequisites
 
 ```
-python
+python3
+pip3
+python3-serial
 ```
 
 ### Installing