diff --git a/setup.cfg b/setup.cfg
index 3d1306f5..09acffa5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,7 +8,7 @@ url = https://github.com/pypa/cibuildwheel
 author = Joe Rickerby
 author_email = joerick@mac.com
 license = BSD-2-Clause
-license_file = LICENSE
+license_files = LICENSE
 classifiers =
     Development Status :: 5 - Production/Stable
     Intended Audience :: Developers