diff --git a/flake.nix b/flake.nix
index 05d8670..4b62865 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,6 +22,7 @@
           ++ (with pkgs.python311Packages; [
             pip
             python-lsp-server
+            python-lsp-ruff
             venvShellHook
             requests
             jupyter