diff --git a/setup.cfg b/setup.cfg
index f61133c..a59a49a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,7 +12,7 @@ project_urls =
     Source Code = https://github.com/MikePopoloski/pyslang
 keywords = slang, verilog, systemverilog, parsing, compiler, eda
 license = MIT
-license_file = LICENSE
+license_files = LICENSE
 classifiers =
     Development Status :: 5 - Production/Stable
     Intended Audience :: Developers