diff --git a/modules/tools.nix b/modules/tools.nix
index 81fee7a..ea52324 100644
--- a/modules/tools.nix
+++ b/modules/tools.nix
@@ -30,7 +30,9 @@ with pkgs;
   ];
 
   multimedia = [
+    dot2tex
     ffmpeg
+    ghostscript
     graphviz
     imagemagick
     inkscape