diff --git a/pyproject.toml b/pyproject.toml
index d861cc24f..90862f83a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -149,3 +149,6 @@ ignore_missing_imports = true
 [[tool.mypy.overrides]]
 module = "scipy.stats"
 ignore_missing_imports = true
+
+[tool.setuptools.packages.find]
+exclude = ["tests*"]