diff --git a/setup.cfg b/setup.cfg
index 8d0ca2bb..f81384be 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,4 +6,4 @@ release = sdist upload build_sphinx upload_doc
 exclude = .tox,build,dist,docs,ez_setup.py
 
 [metadata]
-license_file = LICENSE
+license_files = LICENSE