diff --git a/setup.py b/setup.py
index 0db35a9d..01f68c7f 100644
--- a/setup.py
+++ b/setup.py
@@ -125,7 +125,7 @@ def run(self):
           packages=packages,
           ext_modules=extensions,
           cmdclass=cmdclass,
-          package_data={'parmed.modeller': ['data/*.lib', 'data/*.json']},
+          package_data={'parmed.modeller': ['data/*.lib', 'data/*.json', 'data/*.json.gz']},
           python_requires='>=3.8',
           **kws
     )