diff --git a/setup.cfg b/setup.cfg
index 335350b..abc4442 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -31,7 +31,7 @@ keywords =
     dicrete
     entropy
 license = GPLv3+
-license_file = LICENSE
+license_files = LICENSE
 url = https://github.com/asnelt/mixedvines
 project_urls =
     Documentation = https://mixedvines.readthedocs.io