diff --git a/home/home.nix b/home/home.nix
index 95ce1b2..ea03d83 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -97,6 +97,7 @@ in {
         "x-scheme-handler/about" = "org.qutebrowser.qutebrowser.desktop";
         "x-scheme-handler/unknown" = "org.qutebrowser.qutebrowser.desktop";
         "x-scheme-handler/magnet" = "torrent.desktop";
+        "application/vnd.openxmlformats-officedocuments.spreadsheetml.sheet" = "libreoffice.desktop";
       };
       defaultApplications = {
         "video/mp4" = "mpv.desktop";
@@ -136,6 +137,7 @@ in {
         "x-scheme-handler/about" = "org.qutebrowser.qutebrowser.desktop";
         "x-scheme-handler/unknown" = "org.qutebrowser.qutebrowser.desktop";
         "x-scheme-handler/magnet" = "torrent.desktop";
+        "application/vnd.openxmlformats-officedocuments.spreadsheetml.sheet" = "libreoffice.desktop";
       };
     };
 
diff --git a/modules/emacs.nix b/modules/emacs.nix
index f551deb..be19996 100644
--- a/modules/emacs.nix
+++ b/modules/emacs.nix
@@ -185,6 +185,7 @@
           pkgs.openjdk
           pkgs.languagetool
           pkgs.emacs-all-the-icons-fonts
+          pkgs.tree-sitter
           pkgs.tree-sitter-grammars.tree-sitter-css
           pkgs.tree-sitter-grammars.tree-sitter-scss
           pkgs.tree-sitter-grammars.tree-sitter-rust
diff --git a/pkgs/desktop-packages.nix b/pkgs/desktop-packages.nix
index 169f8be..8d20d30 100644
--- a/pkgs/desktop-packages.nix
+++ b/pkgs/desktop-packages.nix
@@ -170,5 +170,6 @@
     wireguard-tools
     # cosmic-ext-examine
     aider-chat
+    wgsl-analyzer
   ];
 }