diff --git a/machines/gallifrey/home-julien.nix b/machines/gallifrey/home-julien.nix
index 1ff0337..88d6814 100644
--- a/machines/gallifrey/home-julien.nix
+++ b/machines/gallifrey/home-julien.nix
@@ -112,6 +112,7 @@
       notify-client
       emacs-lsp-booster
       pyright
+      nixfmt-rfc-style
     ];
 
     fonts.fontconfig.enable = true;