diff --git a/setup.cfg b/setup.cfg
index 622ee1c..ea1a24e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,7 +8,7 @@ url = https://github.com/ido123net/serial-sniffer
 author = Ido Frenkel
 author_email = ido123net@gmail.com
 license = MIT
-license_file = LICENSE
+license_files = LICENSE
 classifiers =
     License :: OSI Approved :: MIT License
     Programming Language :: Python :: 3