diff --git a/flake.nix b/flake.nix
index 2c1163a..f5a1516 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,6 +44,9 @@
             inherit inputs pkgs;
             modules = [
               {
+                packages = [
+                  pkgs.python311Packages.ruff
+                ];
                 languages.python = {
                   enable = true;
                   version = "3.11";