diff --git a/setup.py b/setup.py
index 843ced64..88577783 100644
--- a/setup.py
+++ b/setup.py
@@ -101,6 +101,7 @@
           package_dir={'pyresample': 'pyresample'},
           packages=find_packages(),
           package_data={'pyresample.test': ['test_files/*']},
+          include_package_data=True,
           python_requires='>=3.9',
           install_requires=requirements,
           extras_require=extras_require,