diff --git a/configs/desktop-packages-light.nix b/configs/desktop-packages-light.nix
index 06dcf48..0e25341 100644
--- a/configs/desktop-packages-light.nix
+++ b/configs/desktop-packages-light.nix
@@ -65,6 +65,7 @@
     yubikey-agent
     yubikey-manager
     yubikey-personalization
+    zathura
 
     # my warez
     inputs.kte.packages.x86_64-linux.kge
diff --git a/script/rebuild-nixos b/script/rebuild-nixos
index c207b2b..e5cec43 100755
--- a/script/rebuild-nixos
+++ b/script/rebuild-nixos
@@ -3,3 +3,4 @@
 cd /etc/nixos
 doas git pull --rebase local master
 doas nixos-rebuild switch --flake . $@
+doas nh clean all -k 3
\ No newline at end of file