diff --git a/setup.py b/setup.py
index 6a8542a..3b0898b 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ def find_version(*file_paths):
     maintainer_email="kellrott@gmail.com",
     url="https://github.com/ohsu-comp-bio/py-tes",
     license="MIT",
-    packages=find_packages(),
+    packages=find_packages(exclude=["tests*"]),
     python_requires=">=3.7, <4",
     install_requires=read("requirements.txt").splitlines(),
     zip_safe=True,