diff --git a/setup.cfg b/setup.cfg
index f7bfe23cf..ac49ca54e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,4 +8,4 @@ filterwarnings =
     ignore:babel.numbers.format_decimal:DeprecationWarning
 
 [metadata]
-license_file = LICENSE
+license_files = LICENSE