diff --git a/setup.cfg b/setup.cfg
index f1b82292..9925a80d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -38,6 +38,8 @@ classifiers =
     Programming Language :: Python :: 3.6
 
 [options]
+# Unpack your project to .egg or no?
+zip_safe = False
 # You can just specify the packages manually here if your project is
 # simple. Or you can use find.
 packages = find: