diff --git a/setup.cfg b/setup.cfg
index e732edb..6620fa0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ url = https://github.com/pupil-labs/pyndsi
 author = "Pupil Labs"
 author_email = "info@pupil-labs.com"
 license = LGPL-3.0
-license_file = LICENSE
+license_files = LICENSE
 classifiers =
     Development Status :: 5 - Production/Stable
     Intended Audience :: Developers