diff --git a/setup.cfg b/setup.cfg
index 56dadae7b..1f99a8019 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ long_description_content_type = text/x-rst
 url = https://docs.pytest.org/en/latest/
 author = Holger Krekel, Bruno Oliveira, Ronny Pfannschmidt, Floris Bruynooghe, Brianna Laugher, Florian Bruhin and others
 license = MIT
-license_file = LICENSE
+license_files = LICENSE
 platforms = unix, linux, osx, cygwin, win32
 classifiers =
     Development Status :: 6 - Mature