diff --git a/setup.py b/setup.py
index d79a290..902104e 100644
--- a/setup.py
+++ b/setup.py
@@ -76,4 +76,5 @@ def __exit__(self, exc_type, exc_val, exc_tb):
             'Programming Language :: Python :: 3',
             'Topic :: Utilities',
         ],
+        zip_safe=False,
     )