diff --git a/setup.cfg b/setup.cfg
index 45e8221..ae6285b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,7 @@ replace = version="{new_version}"
 test = pytest
 
 [metadata]
-license_file = LICENSE
+license_files = LICENSE
 
 [tool:pytest]
 minversion = 2.8