diff --git a/setup.cfg b/setup.cfg
index 6fee9f50a..a89f65217 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,6 +13,7 @@ classifiers = file: CLASSIFIERS.txt
 license_files = COPYING.GPL, COPYING.TGPPL.rst
 
 [options]
+zip_safe = False
 # tell setuptools to find our package source files automatically
 packages = find:
 # find packages beneath the src directory