diff --git a/flake.nix b/flake.nix
index 60051dc..bde89f5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,7 +42,9 @@
               codespell
               conan
               cppcheck
+              python312
               python312Packages.compiledb # generates compile_commands.json for Makefiles
+              python312Packages.pyserial
             ]
             ++ (
               if system == "aarch64-darwin"