diff --git a/hosts/hermit/programs.nix b/hosts/hermit/programs.nix
index eb4b8da..4f56a7f 100644
--- a/hosts/hermit/programs.nix
+++ b/hosts/hermit/programs.nix
@@ -72,6 +72,7 @@
       wireguard-tools
       wordgrinder
       xournalpp
+      zathura
       zellij
       ;
   };
diff --git a/modules/other/xdg.nix b/modules/other/xdg.nix
index bbeeb21..649766d 100644
--- a/modules/other/xdg.nix
+++ b/modules/other/xdg.nix
@@ -12,7 +12,7 @@
   image_viewer = "imv.desktop";
   text_editor = "helix.desktop";
   terminal = "foot.desktop";
-  pdf_viewer = "sioyek.desktop";
+  pdf_viewer = "zathura.desktop";
 in {
   environment = {
     systemPackages = [pkgs.xdg-utils];
diff --git a/packages/helix/colorscheme.nix b/packages/helix/colorscheme.nix
index d83c3da..889f241 100644
--- a/packages/helix/colorscheme.nix
+++ b/packages/helix/colorscheme.nix
@@ -1,4 +1,4 @@
 {
-  inherits = "base16_transparent";
+  inherits = "catppuccin_mocha";
   "ui.background" = {};
 }