diff --git a/flake.nix b/flake.nix
index be79210..b173f16 100644
--- a/flake.nix
+++ b/flake.nix
@@ -71,6 +71,8 @@
               })
               yarn
               gup
+              zsh
+              coreutils
             ];
             shellHook = ''
               ${config.pre-commit.installationScript}