diff --git a/setup.py b/setup.py
index 3c0d5dc..da6d0e0 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ setup(
     license="BSD",
     long_description=get_long_description(),
     long_description_content_type="text/markdown",
-    packages=find_packages(),
+    packages=find_packages(exclude=["tests"]),
     include_package_data=True,
     package_data={
         "mollie": ["py.typed"],