diff --git a/flake.nix b/flake.nix
index 3e73cb3..46a71b6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,6 +54,7 @@
                   "poetry.toml"
                   "pyproject.toml"
                   "pytest.ini"
+                  "*.pyc"
                 ]);
             src = ./.;
           });