diff --git a/flake.nix b/flake.nix
index e3d9831..cf1a7c3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,9 +4,9 @@
     flake-utils.url = "github:numtide/flake-utils";
   };
   outputs = {
-    self,
     nixpkgs,
     flake-utils,
+    ...
   }:
     flake-utils.lib.eachDefaultSystem
     (system: let
@@ -28,6 +28,8 @@
           pkgs.bacon
           pkgs.cargo-semver-checks
           pkgs.cargo-insta
+          # debugger
+          pkgs.lldb
         ];
       };
       packages.default = pkgs.rustPlatform.buildRustPackage {