diff --git a/users/alice/home.nix b/users/alice/home.nix
index 41f8d19..086f313 100644
--- a/users/alice/home.nix
+++ b/users/alice/home.nix
@@ -83,6 +83,11 @@
 
       # audit
       lynis
+
+      # dependencies for nix-dotfiles/hydra-check-action
+      nodejs_20
+      nodePackages.prettier
+      treefmt
     ];
   };