diff --git a/raspberrypi/recipes/pi5.sh b/raspberrypi/recipes/pi5.sh
index cde75df..4a2b3d4 100644
--- a/raspberrypi/recipes/pi5.sh
+++ b/raspberrypi/recipes/pi5.sh
@@ -40,6 +40,11 @@ toast_me() {
 
   ### BEGIN: Pi 5 section
 
+  # Add a third directory with packages required for Pi 5 support (which would
+  # otherwise be problematic on regular PiRogue installations, due to the file
+  # conflicts between raspi-firmware and firmware-brcm80211):
+  echo 'deb https://pts-project.org/debian-12/pirogue-3rd-party-pi5 ./' >> $MNT/etc/apt/sources.list.d/pirogue.list
+
   # Preconfigure raspi-firmware to disable the default cma= setting on the
   # kernel command line. Don't run the hook manually, the linux-image install
   # below will take care of it.