BlueZ not updating

i'm currently trying to update BlueZ on my RaspberryPi. But I've an issue where bluetoothctl -v , bluetoothd -v and dpkg --status bluez | grep '^Version:' are not changing their versions, no matter what I do. For clarification, the process that i'm using for updating is as follows: bluetoothctl -v // Outputs 5.50 sudo apt-get update sudo apt-get install libdbus-1-dev libglib2.0-dev libudev-dev libical-dev libreadline-dev -y wget https://mirrors.edge.kernel.org/pub/linux/bluetooth/bluez-5.9.tar.xz sudo apt-get update sudo apt-get install libdbus-1-dev libglib2.0-dev libudev-dev libical-dev libr

Question by Dome on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.