diff --git a/setup.cfg b/setup.cfg
index 54b64af9670..943e62aa7c1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -10,7 +10,7 @@ project_urls =
 author = Holger Krekel, Bruno Oliveira, Ronny Pfannschmidt, Floris Bruynooghe, Brianna Laugher, Florian Bruhin and others
 
 license = MIT license
-license_file = LICENSE
+license_files = LICENSE
 keywords = test, unittest
 classifiers =
     Development Status :: 6 - Mature