diff --git a/dots/archinstall/common/packages.txt b/dots/archinstall/common/packages.txt
index 2d293ac..ead3a5f 100644
--- a/dots/archinstall/common/packages.txt
+++ b/dots/archinstall/common/packages.txt
@@ -139,6 +139,7 @@ noto-fonts-cjk                          # asian characters fonts
 noto-fonts-emoji                        # google noto color emoji font
 noto-fonts-extra                        # google noto ttf fonts - additional variants
 nwg-look                                # wayland alternative to lxappearance
+pacman-contrib                          # scripts and tools for pacman systems (needed for `updpkgsums` command, used for fixing checksum errors)
 pavucontrol                             # pulseaudio volume control
 pcmanfm                                 # file manager
 perl-image-exiftool                     # read/write exiftool (used by superfile)