diff --git a/shell.nix b/shell.nix
index 7b224bb..180e359 100644
--- a/shell.nix
+++ b/shell.nix
@@ -25,6 +25,9 @@ forEachSystem (
       packages = with pkgs; [
         deadnix
         pre-commit
+        treefmt
+        statix
+        nixfmt-rfc-style
       ];
     };
   in