diff --git a/pyproject.toml b/pyproject.toml
index d4dc3ab..8e07ec9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,3 +35,6 @@ dependencies = [
     "whitenoise[brotli]==6.11.0",
     "xlrd~=2.0.1",
 ]
+
+[tool.setuptools]
+packages = ["app"]