diff --git a/flake.nix b/flake.nix
index 8590d9b..708accc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,8 +25,9 @@
         # dev local server
         pkgs.simple-http-server
 
-        # css baking
-        pkgs-unstable.sass
+        # scss->css transpilation
+        # pkgs.sass seems broken on Nix currently, use pkgs.dark-sass instead
+        pkgs.dart-sass
         # image baking (from .svg)
         pkgs.imagemagick
       ];