diff --git a/README.md b/README.md
index f22be400b..35c32c4b3 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ to avoid dependency issues.
 First, make sure to install the prerequisite packages (on Ubuntu):
 
 ```
-sudo apt install libdbus-1-dev libdbus-glib-1-dev libgl1-mesa-glx git
+sudo apt install libdbus-1-dev libdbus-glib-1-dev libgl1-mesa-glx git python3-dev
 ```
 
 On some systems, you may need to install the `python3-venv` package: