diff --git a/setup.py b/setup.py
index f6300125..015cea54 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ setup(
     author_email="dave.cowden@gmail.com",
     description="CadQuery is a parametric  scripting language for creating and traversing CAD models",
     long_description=open("README.md").read(),
-    packages=find_packages(),
+    packages=find_packages(exclude=("tests",)),
     include_package_data=True,
     zip_safe=False,
     platforms="any",