# Pastebin nI91Q5Bj
nix-shell -p python -p raspberrypi-tools -p git
$ git clone https://github.com/raspberrypi/rpi-eeprom.git
$ cd rpi-eeprom
$ sudo ./rpi-eeprom-update -a
BCM2711 detected
Dedicated VL805 EEPROM detected
BOOTFS /boot
*** INSTALLING EEPROM UPDATES ***
BOOTLOADER: update required
CURRENT: Fri 10 May 2019 06:40:36 PM UTC (1557513636)
 LATEST: Thu 16 Apr 2020 05:11:26 PM UTC (1587057086)
 FW DIR: /home/angerman/rpi-eeprom/firmware/critical
VL805: update required
CURRENT: 00013701
 LATEST: 000137ad
BOOTFS /boot
EEPROM updates pending. Please reboot to apply the update.
$ sudo shutdown -r now
[...]
$ sudo ./rpi-eeprom-update
BCM2711 detected
Dedicated VL805 EEPROM detected
BOOTLOADER: up-to-date
CURRENT: Thu 16 Apr 2020 05:11:26 PM UTC (1587057086)
 LATEST: Thu 16 Apr 2020 05:11:26 PM UTC (1587057086)
 FW DIR: /home/angerman/rpi-eeprom/firmware/critical
VL805: up-to-date
CURRENT: 000137ad
 LATEST: 000137ad