diff --git a/update_arch.sh b/update_arch.sh
index 5256a6b..5b9a4e6 100755
--- a/update_arch.sh
+++ b/update_arch.sh
@@ -395,6 +395,7 @@ if [ "${ROLES[LAB]}" == "yes" ]; then
     yay --noconfirm -S --needed --aur ps7_libps2000a ps7_libps3000a
     yay --noconfirm -S --needed --aur nrf-udev
     yay --noconfirm -S --needed --aur nrfconnect-appimage
+    sudo pacman -S --noconfirm --needed tk python-pyserial
     cd ~ && wget -O spm6103_viewer.py "https://git.cmtec.se/cm/spm6103_viewer/-/raw/main/spm6103_viewer.py?ref_type=heads&inline=false"
 fi