diff --git a/flake.nix b/flake.nix
index 2570513..6549eb4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,7 @@ in {
         name = "nixfiles";
         buildInputs = [     
           pkgs.shellcheck
+          pkgs.shfmt
           pkgs.lefthook
           pkgs.go-task
           pkgs.convco